DiskStation DS3018xs

Powered by a dual-core processor with AES-NI hardware encryption engine, Synology DiskStation DS3018xs is a brand new 6-bay NAS that comes with a PCIe slot and can be installed with a 10GbE network interface card or a dual M.2 SSD adapter card. SSD cache support enhances network speeds and boosts performance, allowing DS3018xs to meet data-intensive requirements.

CPU

Dual-core Turbo Boost up to 2.6 GHz

Memory

8GB DDR4 ECC RAM, up to 32GB

Ultra Performance

2,231 MB/s reading, 265,000 sequential IOPS reading

Scalability

Up to 30 drives with two DX121

Category:
  1. Status indicator
  2. Alert indicator
  3. Drive status indicator
  4. Drive tray lock
  5. Power button and indicator
  6. LAN indicator
  7. USB 3.0 port
  8. Fan
  9. Power port
  10. Kensington Security Slot
  11. Expansion port
  12. 1GbE RJ-45 port
  13. PCIe 3.0 slot
  14. USB 3.0 port
  15. Reset button
Hardware Specifications
CPU
CPU Model Intel Pentium D1508
CPU Architecture 64-bit
CPU Frequency Dual Core 2.2 GHz 2.2 (base) / 2.6 (turbo) GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 8 GB DDR4 ECC SO-DIMM
Memory Module Pre-installed 8GB (1 x 8GB)
Total Memory Slots 2
Memory Expandable up to 32 GB (16 GB x 2)
Storage
Drive Bays 6
Maximum Drive Bays with Expansion Unit 30
Compatible Drive Type*
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 72 TB (12 TB drive x 6) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 360 TB (72 TB + 12 TB drive x 24) (Capacity may vary by RAID types)
Maximum Single Volume Size
  • 200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
  • 108 TB
Hot Swappable Drive
Notes
  • "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum single volume size is not directly related to the maximum raw capacity.
  • Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB or 200TB if upgraded to 32GB RAM or more.
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 3
Expansion Port 2
PCIe
PCIe Expansion 1 x Gen3 x8 slot (x8 link)
Add-in-card support
  • M2D17 - Dual M.2 SSD adapter card for SSD cache
  • M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache
  • PCIe Network Interface Card
Notes DS3018xs with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
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) 166 mm x 282 mm x 243 mm
Weight 5.2 kg
Others
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Easy Replacement System Fan
Brightness adjustable front LED indicators
Power Recovery
Noise Level* 25.5 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 250W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 79.44 W (Access)
56.92 W (HDD Hibernation)
British Thermal Unit 271.24 BTU/hr (Access)
194.35 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature 5°C to 40°C (40°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Certification
  • EAC
  • VCCI
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 5 Years
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 1024
Maximum iSCSI Target Number 256
Maximum iSCSI LUN 512
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache
SSD TRIM
RAID Group
Supported RAID Type
  • RAID F1
  • 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
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • RAID F1
  • RAID 5
  • RAID 6
  • JBOD
Global Hot Spare Supported RAID Type
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
File Sharing Capacity
Maximum Local User Accounts 16000
Maximum Local Groups 512
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 16
Maximum Concurrent CIFS/AFP/FTP Connections 2000
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 8000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second 1500
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users 2000
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 2000
Maximum Number of Concurrently Connected Devices (with RAM expansion) 8000
Maximum Number of Hosted Files (btrfs) 1,000,000
Maximum Number of Hosted Files (ext4) 1,000,000
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.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts 5
Recommended MailPlus Client Number Up to 200 (Btrfs) / 200 (EXT4)
Maximum Server Performance 1,616,000 (Btrfs) / 1,782,000 (EXT4) emails per day, approx. 49.31 GB (Btrfs) / 54.38 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 2900
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
PetaSpace
Snapshot Replication
Maximum Snapshots per Shared Folder 1024
Maximum Snapshots of all Shared Folder 65536
Surveillance Station
Maximum IP cam 75 (including 2 Free License)
Total FPS (H.264)* 2250 FPS @ 720p (1280x720)
1050 FPS @ 1080p (1920×1080)
600 FPS @ 3M (2048x1536)
450 FPS @ 5M (2591x1944)
320 FPS @ 4K (3840x2160)
Total FPS (H.265)* 2250 FPS @ 720p (1280x720)
2250 FPS @ 1080p (1920×1080)
1125 FPS @ 3M (2048x1536)
600 FPS @ 5M (2591x1944)
500 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 600 FPS @ 720p (1280x720)
360 FPS @ 1080p (1920×1080)
240 FPS @ 3M (2048x1536)
192 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 30
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • RAMEC2133DDR4SO-16G DDR4 ECC SO-DIMM
  • Expansion Unit: DX1215 X 2
  • VS360HD
  • VS960HD
  • Synology Ethernet Adapter E10G15-F1
  • Synology Ethernet Adapter E10G17-F2
  • Synology M2D18 M.2 SSD adapter card
  • Synology M2D17 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
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