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Note:

• The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
• These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
• These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

Hardware Specifications
CPU
CPU Model: Intel Xeon D-1531
CPU Architecture: 64-bit
CPU Frequency: Six Core 2.2 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI):

Memory
System Memory: 16 GB DDR4 ECC RDIMM
Memory Module Pre-installed: 16 GB x 1
Total Memory Slots: 4
Memory Expandable up to: 128GB (32 GB x 4)
Storage
Drive Bay(s): 12
Maximum Drive Bays with Expansion Unit: 96 (RX1217sas) / 180 (RX2417sas)
Compatible Drive Type* (See all supported drives):

• 3.5" SAS HDD
• 2.5" SAS HDD
• 2.5" SAS SSD
• 3.5" SATA HDD
• 2.5" SATA HDD
• 2.5" SATA SSD

Maximum Internal Raw Capacity: 120 TB (10 TB HDD x 12) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units: 960 TB (10 TB HDD x 96) (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 raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
• 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
USB 3.0 Port: 2
Expansion Port: 1
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): 88 mm x 482 mm x 724 mm

Weight: 14.5 kg

Others
RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support)
Wake on LAN/WAN:

RJ-45 10GbE LAN Port: 2 (with Link Aggregation / Failover support)
PCIe Slot for Network Card (See more) : 2 x Gen3 x8 slots (x8 link)
System Fan: 80 mm x 80 mm x 4 pcs
Fan Speed Mode:

• Full-Speed Mode
• Cool Mode
• Quiet Mode

Easy Replacement System Fan:

Wireless Support (dongle):

Power Recovery:

Noise Level*: 49.8 dB(A)

Scheduled Power On/Off:

Power Supply Unit / Adapter: 2 x 500W

AC Input Power Voltage: 100V to 240V AC
Power Frequency: 50/60 Hz, Single Phase
Power Consumption*: 141.96 W (Access)
77.23 W (HDD Hibernation)

British Thermal Unit: 484.39 BTU/hr (Access)
263.52 BTU/hr (HDD Hibernation)

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:

• FCC Class A
• CE Class A
• BSMI Class A

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 ( See more )
Storage Management
Maximum Internal Volume Number: 1024
Maximum iSCSI Target Number: 128
Maximum iSCSI LUN: 512
iSCSI LUN Clone/Snapshot, Windows ODX:

RAID Group:

Supported RAID Type:

• 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 1
• RAID 5
• RAID 6

Volume Expansion by Adding a HDD:

• RAID 5
• RAID 6
• JBOD

Global Hot Spare Supported RAID Type:

• RAID 1
• RAID 5
• RAID 6
• RAID 10

SSD Support
SSD Read/Write Cache (White Paper) :

SSD TRIM:

File Sharing Capacity
Maximum Local User Accounts: 16000
Maximum Local Groups: 512
Maximum Shared Folder: 512
Maximum Shared Folder Sync Tasks: 32
Maximum Concurrent CIFS/AFP/FTP Connections: 2048
Windows Access Control List (ACL) Integration:

NFS Kerberos Authentication:

High Availability Manager:

Log Center:

Syslog Events per Second: 3000
Virtualization
VMware vSphere 6 with VAAI:

Windows Server 2012:

Windows Server 2012 R2:

Citrix Ready:

OpenStack:

Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial):

Central Management System:

Chat:

Maximum Users: 1600
Notes:

• The number of concurrent HTTP connections for Chat was configured to the maximum.
• CPU and RAM usage were both under 80% when testing the recommended number of clients.
• For tested models with expandable memory, the maximum amount of RAM was installed.

Cloud Station Server:

Maximum Concurrent File Transfers: 2000
Maximum Concurrent File Transfers (with RAM expansion): 10000
Document Viewer:

Download Station:

Maximum Concurrent Download Tasks: 80
exFAT Access (optional):

HiDrive Backup:

MailPlus / MailPlus Server:

Free Email Accounts: 5 (Licenses required for additional accounts)
Recommended MailPlus Client Number: Up to 600 (Btrfs) / 700 (EXT4)
Maximum Server Performance: 3,088,000 (Btrfs) / 3,009,000 (EXT4) emails per day, approx. 94.2 GB (Btrfs) / 91.8 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:

Office:

Maximum Users: 1600
Maximum Simultaneous Editing Users: 100
Notes:

• CPU and RAM usage were both under 80% when testing the recommended number of clients.
• 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 (Licenses required): 90 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*: 2700 FPS @ 720p (1280x720)
2250 FPS @ 1080p (1920×1080)
1350 FPS @ 3M (2048x1536)
800 FPS @ 5M (2591x1944)
Total FPS (MJPEG)*: 1050 FPS @ 720p (1280x720)
525 FPS @ 1080p (1920×1080)
350 FPS @ 3M (2048x1536)
220 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 2 (See more)
Maximum Transcoding Channel Number: 1 channel, 30 FPS @ 720p (1280x720), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
VPN Server:

Maximum Connections: 30
Environment & Packaging
Environment: RoHS Compliant
Packaging Content:

• Main Unit X 1
• Accessory Pack X 1
• AC Power Cord X 2
• Quick Installation Guide X 1

Optional Accessories:

• Surveillance Device License Pack
• 16GB DDR4 ECC RDIMM
• 32GB DDR4 ECC RDIMM
• Expansion Unit: RX1217sas X 7
• Expansion Unit: RX2417sas X 7
• VS360HD
• Synology RKS1317 - Rail Kit Sliding
• Synology Ethernet Adapter E10G15-F1
• Synology Ethernet Adapter E10G17-F2