RackStation RS818+​/​RS818RP+

Synology RackStation RS818+/RS818RP+ comes with a quad-core processor with the AES-NI hardware encryption engine, quad 1GbE LAN ports, and optional 10GbE NIC support. It provides both high performance and a scalable storage solution for sharing files across different platforms, centralizing data backups, and protecting critical assets.

CPU

Quad-core 2.4GHz

Memory

2GB DDR3, up to 16GB

High Performance

Over 1,099 MB/s sequential reading1

Compact and Efficient

Up to 8 drives with RX418 expansion unit2

Category:

Description

Parts

  1. Power indicator
  2. Power button
  3. Alert indicator
  4. Drive status indicator
  5. Beep off button
  6. Status indicator
  7. Drive tray
  8. Power port
  9. Fan
  10. 10Console port
  11. 1GbE RJ-45 port
  12. USB 3.0 port
  13. eSATA port
  14. PCIe expansion slot

Specs

Hardware Specifications
CPU
CPU Model Intel Atom C2538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 2 GB DDR3
Memory Module Pre-installed 2GB (1 x 2GB)
Total Memory Slots 2
Memory Expandable up to 16 GB (8 GB x 2)
Storage
Drive Bays 4
Maximum Drive Bays with Expansion Unit 8
Compatible Drive Type*
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 48 TB (12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 96 TB (48 TB + 12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive
Notes The maximum single volume size is not directly related to the maximum raw capacity.
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1
PCIe
PCIe Expansion 1 x Gen2 x8 slot (x4 link)
Add-in-card support
  • M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
  • PCIe Network Interface Card
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 44 mm x 480 mm x 492.6 mm
44 mm x 480 mm x 518.6 mm (for RP model)
Weight 6.21 kg
7.63 kg (for RP model)
Others
System Fan 40 mm x 40 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Power Recovery
Noise Level* 28.5 dB(A)
32.7 dB(A) (for RP model)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 100W
100 X 2W (for RP model)
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 45.28 W (Access)
20.81 W (HDD Hibernation)
45.73 W (Access, for RP model)
21.79 W (HDD Hibernation, for RP model)
British Thermal Unit 154.61 BTU/hr (Access)
71.05 BTU/hr (HDD Hibernation)
156.14 BTU/hr (Access, for RP model)
74.40 BTU/hr (HDD Hibernation, for RP model)
Redundant Power Supply (for xs+ and RP model)
Environment Temperature
Operating Temperature 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 3 Year Hardware Warranty, Extendable to 5 Year Coverage -
Notes
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications
Storage Management
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache
SSD TRIM
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • JBOD
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 1500
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Number of Concurrently Connected Devices 500
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
Drive
Maximum Number of Hosted Files 1,000,000
Maximum Number of Concurrent Connections for PC Clients 550
Notes
  • The Btrfs file system was used for the purpose of testing.
  • The maximum number of concurrent connections refers to the maximum number of connections that can be maintained when the maximum number of hosted files was reached.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Drive service.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts 5
Recommended MailPlus Client Number Up to 90 (Btrfs) / 100 (EXT4)
Maximum Server Performance 712,000 (Btrfs) / 844,000 (EXT4) emails per day, approx. 21.73 GB (Btrfs) / 25.76 GB (EXT4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Office
Maximum Users 1800
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Snapshot Replication
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station
Maximum IP cam 40 (including 2 Free License)
Total FPS (H.264)* 1200 FPS @ 720p (1280x720)
900 FPS @ 1080p (1920×1080)
320 FPS @ 3M (2048x1536)
270 FPS @ 5M (2591x1944)
120 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920×1080)
560 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 540 FPS @ 720p (1280x720)
200 FPS @ 1080p (1920×1080)
150 FPS @ 3M (2048x1536)
90 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station
Video Transcoding Group 1 - Type 1
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License)
Notes Virtual Machine Manager is not supported on hosts running
VPN Server
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • AC Power Cord X 2 (for RP model)
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
  • RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
  • Expansion Unit: RX418 X 1
  • VS360HD
  • VS960HD
  • Synology RKS1317 - Rail Kit Sliding
  • Synology RKM114 - Rail Kit Mounted
  • Synology Ethernet Adapter E10G15-F1
  • Synology M2D18 M.2 SSD adapter card
General
Networking Protocols
  • CIFS
  • AFP
  • NFS
  • FTP
  • WebDAV
  • CalDAV
  • iSCSI
  • Telnet
  • SSH
  • SNMP
  • VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain Integration Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management
  • HDD Hibernation
  • S.M.A.R.T.
  • Dynamic Bad Sector Mapping
Security Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (Customizable cipher suite)
Supported Clients
  • Windows 7 and 10
  • Mac OS X 10.11 onward
Supported Browsers
  • Chrome
  • Firefox
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文
Hardware Specifications
CPU
CPU Model Intel Atom C2538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 2 GB DDR3
Memory Module Pre-installed 2GB (1 x 2GB)
Total Memory Slots 2
Memory Expandable up to 16 GB (8 GB x 2)
Storage
Drive Bays 4
Maximum Drive Bays with Expansion Unit 8
Compatible Drive Type*
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 48 TB (12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 96 TB (48 TB + 12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive
Notes The maximum single volume size is not directly related to the maximum raw capacity.
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1
PCIe
PCIe Expansion 1 x Gen2 x8 slot (x4 link)
Add-in-card support
  • M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
  • PCIe Network Interface Card
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 44 mm x 480 mm x 492.6 mm
44 mm x 480 mm x 518.6 mm (for RP model)
Weight 6.21 kg
7.63 kg (for RP model)
Others
System Fan 40 mm x 40 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Power Recovery
Noise Level* 28.5 dB(A)
32.7 dB(A) (for RP model)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 100W
100 X 2W (for RP model)
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 45.28 W (Access)
20.81 W (HDD Hibernation)
45.73 W (Access, for RP model)
21.79 W (HDD Hibernation, for RP model)
British Thermal Unit 154.61 BTU/hr (Access)
71.05 BTU/hr (HDD Hibernation)
156.14 BTU/hr (Access, for RP model)
74.40 BTU/hr (HDD Hibernation, for RP model)
Redundant Power Supply (for xs+ and RP model)
Environment Temperature
Operating Temperature 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 3 Year Hardware Warranty, Extendable to 5 Year Coverage -
Notes
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications
Storage Management
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache
SSD TRIM
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • JBOD
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 1500
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Number of Concurrently Connected Devices 500
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
Drive
Maximum Number of Hosted Files 1,000,000
Maximum Number of Concurrent Connections for PC Clients 550
Notes
  • The Btrfs file system was used for the purpose of testing.
  • The maximum number of concurrent connections refers to the maximum number of connections that can be maintained when the maximum number of hosted files was reached.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Drive service.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts 5
Recommended MailPlus Client Number Up to 90 (Btrfs) / 100 (EXT4)
Maximum Server Performance 712,000 (Btrfs) / 844,000 (EXT4) emails per day, approx. 21.73 GB (Btrfs) / 25.76 GB (EXT4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Office
Maximum Users 1800
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Snapshot Replication
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station
Maximum IP cam 40 (including 2 Free License)
Total FPS (H.264)* 1200 FPS @ 720p (1280x720)
900 FPS @ 1080p (1920×1080)
320 FPS @ 3M (2048x1536)
270 FPS @ 5M (2591x1944)
120 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920×1080)
560 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 540 FPS @ 720p (1280x720)
200 FPS @ 1080p (1920×1080)
150 FPS @ 3M (2048x1536)
90 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station
Video Transcoding Group 1 - Type 1
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License)
Notes Virtual Machine Manager is not supported on hosts running
VPN Server
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • AC Power Cord X 2 (for RP model)
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
  • RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
  • Expansion Unit: RX418 X 1
  • VS360HD
  • VS960HD
  • Synology RKS1317 - Rail Kit Sliding
  • Synology RKM114 - Rail Kit Mounted
  • Synology Ethernet Adapter E10G15-F1
  • Synology M2D18 M.2 SSD adapter card
General
Networking Protocols
  • CIFS
  • AFP
  • NFS
  • FTP
  • WebDAV
  • CalDAV
  • iSCSI
  • Telnet
  • SSH
  • SNMP
  • VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain Integration Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management
  • HDD Hibernation
  • S.M.A.R.T.
  • Dynamic Bad Sector Mapping
Security Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (Customizable cipher suite)
Supported Clients
  • Windows 7 and 10
  • Mac OS X 10.11 onward
Supported Browsers
  • Chrome
  • Firefox
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文
Hardware Specifications
CPU
CPU Model Intel Atom C2538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 2 GB DDR3
Memory Module Pre-installed 2GB (1 x 2GB)
Total Memory Slots 2
Memory Expandable up to 16 GB (8 GB x 2)
Storage
Drive Bays 4
Maximum Drive Bays with Expansion Unit 8
Compatible Drive Type*
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 48 TB (12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 96 TB (48 TB + 12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive
Notes The maximum single volume size is not directly related to the maximum raw capacity.
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1
PCIe
PCIe Expansion 1 x Gen2 x8 slot (x4 link)
Add-in-card support
  • M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
  • PCIe Network Interface Card
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 44 mm x 480 mm x 492.6 mm
44 mm x 480 mm x 518.6 mm (for RP model)
Weight 6.21 kg
7.63 kg (for RP model)
Others
System Fan 40 mm x 40 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Power Recovery
Noise Level* 28.5 dB(A)
32.7 dB(A) (for RP model)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 100W
100 X 2W (for RP model)
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 45.28 W (Access)
20.81 W (HDD Hibernation)
45.73 W (Access, for RP model)
21.79 W (HDD Hibernation, for RP model)
British Thermal Unit 154.61 BTU/hr (Access)
71.05 BTU/hr (HDD Hibernation)
156.14 BTU/hr (Access, for RP model)
74.40 BTU/hr (HDD Hibernation, for RP model)
Redundant Power Supply (for xs+ and RP model)
Environment Temperature
Operating Temperature 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 3 Year Hardware Warranty, Extendable to 5 Year Coverage -
Notes
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications
Storage Management
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache
SSD TRIM
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • JBOD
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 1500
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Number of Concurrently Connected Devices 500
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
Drive
Maximum Number of Hosted Files 1,000,000
Maximum Number of Concurrent Connections for PC Clients 550
Notes
  • The Btrfs file system was used for the purpose of testing.
  • The maximum number of concurrent connections refers to the maximum number of connections that can be maintained when the maximum number of hosted files was reached.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Drive service.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts 5
Recommended MailPlus Client Number Up to 90 (Btrfs) / 100 (EXT4)
Maximum Server Performance 712,000 (Btrfs) / 844,000 (EXT4) emails per day, approx. 21.73 GB (Btrfs) / 25.76 GB (EXT4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Office
Maximum Users 1800
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Snapshot Replication
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station
Maximum IP cam 40 (including 2 Free License)
Total FPS (H.264)* 1200 FPS @ 720p (1280x720)
900 FPS @ 1080p (1920×1080)
320 FPS @ 3M (2048x1536)
270 FPS @ 5M (2591x1944)
120 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920×1080)
560 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 540 FPS @ 720p (1280x720)
200 FPS @ 1080p (1920×1080)
150 FPS @ 3M (2048x1536)
90 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station
Video Transcoding Group 1 - Type 1
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License)
Notes Virtual Machine Manager is not supported on hosts running
VPN Server
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • AC Power Cord X 2 (for RP model)
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
  • RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
  • Expansion Unit: RX418 X 1
  • VS360HD
  • VS960HD
  • Synology RKS1317 - Rail Kit Sliding
  • Synology RKM114 - Rail Kit Mounted
  • Synology Ethernet Adapter E10G15-F1
  • Synology M2D18 M.2 SSD adapter card
General
Networking Protocols
  • CIFS
  • AFP
  • NFS
  • FTP
  • WebDAV
  • CalDAV
  • iSCSI
  • Telnet
  • SSH
  • SNMP
  • VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain Integration Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management
  • HDD Hibernation
  • S.M.A.R.T.
  • Dynamic Bad Sector Mapping
Security Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (Customizable cipher suite)
Supported Clients
  • Windows 7 and 10
  • Mac OS X 10.11 onward
Supported Browsers
  • Chrome
  • Firefox
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文
Hardware Specifications
CPU
CPU Model Intel Atom C2538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 2 GB DDR3
Memory Module Pre-installed 2GB (1 x 2GB)
Total Memory Slots 2
Memory Expandable up to 16 GB (8 GB x 2)
Storage
Drive Bays 4
Maximum Drive Bays with Expansion Unit 8
Compatible Drive Type*
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 48 TB (12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 96 TB (48 TB + 12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive
Notes The maximum single volume size is not directly related to the maximum raw capacity.
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1
PCIe
PCIe Expansion 1 x Gen2 x8 slot (x4 link)
Add-in-card support
  • M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
  • PCIe Network Interface Card
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 44 mm x 480 mm x 492.6 mm
44 mm x 480 mm x 518.6 mm (for RP model)
Weight 6.21 kg
7.63 kg (for RP model)
Others
System Fan 40 mm x 40 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Power Recovery
Noise Level* 28.5 dB(A)
32.7 dB(A) (for RP model)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 100W
100 X 2W (for RP model)
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 45.28 W (Access)
20.81 W (HDD Hibernation)
45.73 W (Access, for RP model)
21.79 W (HDD Hibernation, for RP model)
British Thermal Unit 154.61 BTU/hr (Access)
71.05 BTU/hr (HDD Hibernation)
156.14 BTU/hr (Access, for RP model)
74.40 BTU/hr (HDD Hibernation, for RP model)
Redundant Power Supply (for xs+ and RP model)
Environment Temperature
Operating Temperature 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 3 Year Hardware Warranty, Extendable to 5 Year Coverage -
Notes
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications
Storage Management
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache
SSD TRIM
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • JBOD
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 1500
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Number of Concurrently Connected Devices 500
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
Drive
Maximum Number of Hosted Files 1,000,000
Maximum Number of Concurrent Connections for PC Clients 550
Notes
  • The Btrfs file system was used for the purpose of testing.
  • The maximum number of concurrent connections refers to the maximum number of connections that can be maintained when the maximum number of hosted files was reached.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Drive service.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts 5
Recommended MailPlus Client Number Up to 90 (Btrfs) / 100 (EXT4)
Maximum Server Performance 712,000 (Btrfs) / 844,000 (EXT4) emails per day, approx. 21.73 GB (Btrfs) / 25.76 GB (EXT4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Office
Maximum Users 1800
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Snapshot Replication
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station
Maximum IP cam 40 (including 2 Free License)
Total FPS (H.264)* 1200 FPS @ 720p (1280x720)
900 FPS @ 1080p (1920×1080)
320 FPS @ 3M (2048x1536)
270 FPS @ 5M (2591x1944)
120 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920×1080)
560 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 540 FPS @ 720p (1280x720)
200 FPS @ 1080p (1920×1080)
150 FPS @ 3M (2048x1536)
90 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station
Video Transcoding Group 1 - Type 1
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License)
Notes Virtual Machine Manager is not supported on hosts running
VPN Server
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • AC Power Cord X 2 (for RP model)
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
  • RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
  • Expansion Unit: RX418 X 1
  • VS360HD
  • VS960HD
  • Synology RKS1317 - Rail Kit Sliding
  • Synology RKM114 - Rail Kit Mounted
  • Synology Ethernet Adapter E10G15-F1
  • Synology M2D18 M.2 SSD adapter card
General
Networking Protocols
  • CIFS
  • AFP
  • NFS
  • FTP
  • WebDAV
  • CalDAV
  • iSCSI
  • Telnet
  • SSH
  • SNMP
  • VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain Integration Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management
  • HDD Hibernation
  • S.M.A.R.T.
  • Dynamic Bad Sector Mapping
Security Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (Customizable cipher suite)
Supported Clients
  • Windows 7 and 10
  • Mac OS X 10.11 onward
Supported Browsers
  • Chrome
  • Firefox
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文
Hardware Specifications
CPU
CPU Model Intel Atom C2538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 2 GB DDR3
Memory Module Pre-installed 2GB (1 x 2GB)
Total Memory Slots 2
Memory Expandable up to 16 GB (8 GB x 2)
Storage
Drive Bays 4
Maximum Drive Bays with Expansion Unit 8
Compatible Drive Type*
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 48 TB (12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 96 TB (48 TB + 12 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive
Notes The maximum single volume size is not directly related to the maximum raw capacity.
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1
PCIe
PCIe Expansion 1 x Gen2 x8 slot (x4 link)
Add-in-card support
  • M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
  • PCIe Network Interface Card
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 44 mm x 480 mm x 492.6 mm
44 mm x 480 mm x 518.6 mm (for RP model)
Weight 6.21 kg
7.63 kg (for RP model)
Others
System Fan 40 mm x 40 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Power Recovery
Noise Level* 28.5 dB(A)
32.7 dB(A) (for RP model)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 100W
100 X 2W (for RP model)
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 45.28 W (Access)
20.81 W (HDD Hibernation)
45.73 W (Access, for RP model)
21.79 W (HDD Hibernation, for RP model)
British Thermal Unit 154.61 BTU/hr (Access)
71.05 BTU/hr (HDD Hibernation)
156.14 BTU/hr (Access, for RP model)
74.40 BTU/hr (HDD Hibernation, for RP model)
Redundant Power Supply (for xs+ and RP model)
Environment Temperature
Operating Temperature 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 3 Year Hardware Warranty, Extendable to 5 Year Coverage -
Notes
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DSM Specifications
Storage Management
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache
SSD TRIM
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • RAID 5
  • JBOD
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second 800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 1500
Notes
  • The number of concurrent HTTP connections for Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Maximum Number of Concurrently Connected Devices 500
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80
Drive
Maximum Number of Hosted Files 1,000,000
Maximum Number of Concurrent Connections for PC Clients 550
Notes
  • The Btrfs file system was used for the purpose of testing.
  • The maximum number of concurrent connections refers to the maximum number of connections that can be maintained when the maximum number of hosted files was reached.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Drive service.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts 5
Recommended MailPlus Client Number Up to 90 (Btrfs) / 100 (EXT4)
Maximum Server Performance 712,000 (Btrfs) / 844,000 (EXT4) emails per day, approx. 21.73 GB (Btrfs) / 25.76 GB (EXT4)
Notes
  • The CPU and RAM usages were both under 80% when testing recommended client numbers.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Office
Maximum Users 1800
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Snapshot Replication
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station
Maximum IP cam 40 (including 2 Free License)
Total FPS (H.264)* 1200 FPS @ 720p (1280x720)
900 FPS @ 1080p (1920×1080)
320 FPS @ 3M (2048x1536)
270 FPS @ 5M (2591x1944)
120 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920×1080)
560 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 540 FPS @ 720p (1280x720)
200 FPS @ 1080p (1920×1080)
150 FPS @ 3M (2048x1536)
90 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station
Video Transcoding Group 1 - Type 1
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Maximum Virtual DSM Number (Licenses required) 4 (including 1 Free License)
Notes Virtual Machine Manager is not supported on hosts running
VPN Server
Maximum Connections 20
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • AC Power Cord X 2 (for RP model)
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
  • RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
  • Expansion Unit: RX418 X 1
  • VS360HD
  • VS960HD
  • Synology RKS1317 - Rail Kit Sliding
  • Synology RKM114 - Rail Kit Mounted
  • Synology Ethernet Adapter E10G15-F1
  • Synology M2D18 M.2 SSD adapter card
General
Networking Protocols
  • CIFS
  • AFP
  • NFS
  • FTP
  • WebDAV
  • CalDAV
  • iSCSI
  • Telnet
  • SSH
  • SNMP
  • VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain Integration Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management
  • HDD Hibernation
  • S.M.A.R.T.
  • Dynamic Bad Sector Mapping
Security Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (Customizable cipher suite)
Supported Clients
  • Windows 7 and 10
  • Mac OS X 10.11 onward
Supported Browsers
  • Chrome
  • Firefox
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文

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