CPU |
CPU Model |
Intel Xeon D-1521 |
CPU Architecture |
64-bit |
CPU Frequency |
Quad Core 2.4 (base) / 2.7 (turbo) GHz |
Hardware Encryption Engine (AES-NI) |
|
Memory |
System Memory |
8 GB DDR4 ECC UDIMM |
Memory Module Pre-installed |
8GB (1 x 8GB) |
Total Memory Slots |
4 |
Memory Expandable up to |
64 GB (16 GB x 4) |
Storage |
Drive Bays |
12 |
Maximum Drive Bays with Expansion Unit |
36 |
Compatible Drive Type* (See all supported drives) |
- 3.5" SATA HDD
- 2.5" SATA HDD
- 2.5" SATA SSD
|
Maximum Internal Raw Capacity |
144 TB (12 TB drive x 12) (Capacity may vary by RAID types) |
Maximum Raw Capacity with Expansion Units |
432 TB (144 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 |
|
External Ports |
RJ-45 1GbE LAN Port |
4 (with Link Aggregation / Failover support) |
USB 3.0 Port |
2 |
Expansion Port |
2 |
PCIe |
PCIe Expansion |
2 x Gen3 x8 slots (x8 link) |
Add-in-card support |
PCIe Network Interface Card (Learn more) |
File System |
Internal Drives |
|
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 430.5 mm x 692 mm
|
Weight |
14.5 kg
|
Others |
System Fan |
80 mm x 80 mm x 4 pcs |
Fan Speed Mode |
- Full-Speed Mode
- Cool Mode
- Quiet Mode
|
Easy Replacement System Fan |
|
Power Recovery |
|
Noise Level* |
50.2 dB(A)
|
Scheduled Power On/Off |
|
Wake on LAN/WAN |
|
Power Supply Unit / Adapter |
500W
|
AC Input Power Voltage |
100V to 240V AC |
Power Frequency |
50/60 Hz, Single Phase |
Power Consumption* |
142.76 W (Access) 55.05 W (HDD Hibernation)
|
British Thermal Unit |
487.12 BTU/hr (Access) 187.84 BTU/hr (HDD Hibernation)
|
Environment Temperature |
Operating Temperature |
5C to 35C (40F to 95F) |
Storage Temperature |
-20C to 60C (-5F to 140F) |
Relative Humidity |
5% to 95% RH |
Certification |
- EAC
- VCCI
- CCC
- RCM
- 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: 24.25-25.75C;
Humidity: 58.2-61.8%
|
DSM Specifications ( See more ) |
Storage Management |
Maximum Internal Volume Number |
1024 |
Maximum iSCSI Target Number |
64 |
Maximum iSCSI LUN |
512 |
iSCSI LUN Clone/Snapshot, Windows ODX |
|
SSD Read/Write Cache (White Paper) |
|
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 |
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 |
4000 |
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) |
10000 |
Maximum Number of Synced Files (btrfs) |
3,000,000 / single file reaction time 530 ms |
Maximum Number of Synced Files (ext4) |
3,000,000 / single file reaction time 229 ms |
Notes |
- The maximum number of concurrently connected devices refers to the
maximum number of devices that can remain connected at the same time.
For more information on file processing capability, please refer to the
reaction time for file processing.
- File reaction time refers to the preparation time required for other
devices to start downloading a 10KByte file from a Synology NAS after
the file has been added to the NAS. 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 Synced Files |
3,000,000 / single file reaction time 244 ms |
Maximum Number of Concurrent Connections for PC Clients |
1800 |
Notes |
- The Btrfs file system was used for the purpose of testing.
- The maximum number of concurrentconnections refers to the maximum
number of connections that could be maintained whenthe maximum number of
synced files was reached.
- File reaction time refers to the preparation time required for other
devices to start downloading a 10KByte file from a Synology NAS after
the file has been added to the NAS.
- 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 (Licenses required for additional accounts) |
Recommended MailPlus Client Number |
Up to 400 (Btrfs) / 450 (EXT4) |
Maximum Server Performance |
2,621,000 (Btrfs) / 2,412,000 (EXT4) emails per day, approx. 80 GB
(Btrfs) / 73.6 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 |
2800 |
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 (Licenses required) |
75 (including 2 Free License) (See All Supported IP
Cameras) |
Total FPS (H.264)* |
2250 FPS @ 720p (1280x720) 2100 FPS @ 1080p (19201080) 1500
FPS @ 3M (2048x1536) 900 FPS @ 5M (2591x1944) 550 FPS @ 4K
(3840x2160) |
Total FPS (H.265)* |
2250 FPS @ 720p (1280x720) 2250 FPS @ 1080p (19201080) 2250
FPS @ 3M (2048x1536) 1500 FPS @ 5M (2591x1944) 900 FPS @ 4K
(3840x2160) |
Total FPS (MJPEG)* |
750 FPS @ 720p (1280x720) 375 FPS @ 1080p (19201080) 250 FPS @
3M (2048x1536) 180 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 (See more) |
Maximum Transcoding Channel Number |
1 channel, 30 FPS @ 1080p(19201080), H.264 (AVC)/MPEG-4 Part 2 (XVID,
DIVX5)/MPEG-2/VC-1 |
Virtual Machine Manager |
|
Maximum Virtual DSM Number (Licenses required) |
8 (including 1 Free License) (Learn more) |
Notes |
Virtual Machine Manager is not supported on hosts running Synology
High Availability. |
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
- Quick Installation Guide X 1
|
Optional Accessories |
- Surveillance Device License Pack
- RAMEC2133DDR4-8G DDR4 ECC UDIMM
- RAMEC2133DDR4-16G DDR4 ECC UDIMM
- Expansion Unit: RX1217/RX1217RP X 2
- VS360HD
- VS960HD
- Synology RKS1317 - Rail Kit Sliding
- Synology Ethernet Adapter E10G15-F1
- Synology Ethernet Adapter
E10G17-F2
|