CPU
Quad-core 1.4GHz
Network
Dual 1GbE LAN ports
Memory
2GB DDR4
Performance
Over 226 MB/s and170 MB/ssequential reading and writing
Hardware Specifications
CPU
CPU Model Realtek RTD1296
CPU Architecture 64-bit
CPU Frequency Quad Core 1.4 GHz
Hardware Encryption Engine Yes
Hardware Transcoding Engine 10-bit H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory 2 GB DDR4
Storage
Drive Bays 4
Compatible Drive Type* (See all supported drives)
3.5′ SATA HDD
2.5′ SATA HDD
2.5′ SATA SSD
Maximum Internal Raw Capacity 40 TB (10 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive Yes
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. ()
External Ports
RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)
USB 3.0 Port 2
File System
Internal Drives EXT4
External Drives
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 199 mm x 223 mm
Weight 2.28 kg
Others
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Brightness adjustable front LED indicators Yes
Power Recovery Yes
Noise Level* 20.9 dB(A)
Scheduled Power On/Off Yes
Wake on LAN/WAN Yes
Power Supply Unit / Adapter 90W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 26.49 W (Access)
8.78 W (HDD Hibernation)
British Thermal Unit 90.39 BTU/hr (Access)
29.96 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature 5C to 40C (40F to 104F)
Storage Temperature -20C to 60C (-5F to 140F)
Relative Humidity 5% to 95% RH
Certification
FCC Class B
CE Class B
BSMI Class B
Warranty 2 Years
Notes Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications
( See more )
Storage Management
Maximum Internal Volume Number 256
Maximum iSCSI Target Number 10
Maximum iSCSI LUN 10
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
Global Hot Spare Supported RAID Type
Synology Hybrid RAID
RAID 1
RAID 5
SSD Support
SSD TRIM Yes
File Sharing Capacity
Maximum Local User Accounts 2048
Maximum Local Groups 256
Maximum Shared Folder 256
Maximum Shared Folder Sync Tasks 2
Maximum Concurrent CIFS/AFP/FTP Connections 200
Windows Access Control List (ACL) Integration Yes
NFS Kerberos Authentication Yes
Log Center Yes
Syslog Events per Second 100
Add-on Packages (learn more about the complete add-on package list)
Chat Yes
Maximum Users 500
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 Yes
Maximum Number of Concurrently Connected Devices 200
Maximum Number of Synced Files (ext4) 10,000 / single file reaction time 766 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 1KByte 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.
Download Station Yes
Maximum Concurrent Download Tasks 30
exFAT Access (optional) Yes
Media Server Yes
DLNA Compliance Yes
Office Yes
Maximum Users 100
Maximum Simultaneous Editing Users 30
Notes
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
Surveillance Station Yes
Maximum IP cam (Licenses required) 30 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 900 FPS @ 720p (1280×720)
300 FPS @ 1080p (19201080)
240 FPS @ 3M (2048×1536)
150 FPS @ 5M (2591×1944)
110 FPS @ 4K (3840×2160)
Total FPS (MJPEG)* 300 FPS @ 720p (1280×720)
200 FPS @ 1080p (19201080)
130 FPS @ 3M (2048×1536)
80 FPS @ 5M (2591×1944)
Total FPS (H.265)* 900 FPS @ 720p (1280×720)
450 FPS @ 1080p (19201080)
360 FPS @ 3M (2048×1536)
250 FPS @ 5M (2591×1944)
180 FPS @ 4K (3840×2160)
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 Yes
Video Transcoding 4K Group 3 (See more)
Maximum Transcoding Channel Number 1 channel, 30 FPS @ 4K (4096 x 2160), H.265 (HEVC), 10-bit or
1 channel, 30 FPS @ 1080p (19201080), H.264 (AVC)/H.265 (HEVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
VPN Server Yes
Maximum Connections 15
Environment & Packaging
Environment RoHS Compliant
Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1
Optional Accessories
Surveillance Device License Pack
VS360HD
VS960HD
General
Networking Protocols
CIFS
AFP
NFS
FTP
WebDAV
CalDAV
iSCSI
Telnet
SSH
SNMP
VPN (PPTP, OpenVPN)
Windows AD Domain Integration Domain Users login via Samba/AFP/FTP/File Station
HDD Management
HDD Hibernation
S.M.A.R.T.
Dynamic Bad Sector Mapping
Security
FTP over SSL/TLS
IP Auto-Block
Firewall
Encrypted Network Backup over Rsync
HTTPS Connection
Utilities Synology Assistant
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, Franais, Italiano, Espaol, Dansk, Norsk, Svenska, Nederlands, , Polski, Magyar, Portugus do Brasil, Portugus Europeu, Trke, esk, , , ,
