CPU Model:Realtek RTD1296
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
System Memory:1 GB DDR4
Compatible Drive Type :3.5" SATA HDD
2.5" SATA HDD (with optional 2.5" Disk Holder)
2.5" SATA SSD (with optional 2.5" Disk Holder)
Maximum Internal Raw Capacity:24 TB (12 TB drive x 2) (Capacity may vary by RAID types)
Maximum Single Volume Size:108 TB
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.
RJ-45 1GbE LAN Port:1
USB 3.0 Port:2
NotesexFAT Access is purchased separately in Package Center.
Size (Height x Width x Depth):165 mm x 100 mm x 225.5 mm
System Fan:92 mm x 92 mm x 1 pcs
Fan Speed Mode:Full-Speed Mode
Brightness adjustable front LED indicators:Yes
Noise Level:19.9 dB(A)
Scheduled Power On/Off:Yes
Wake on LAN/WAN:Yes
Power Supply Unit / Adapter:60W
AC Input Power Voltage:100V to 240V AC
Power Frequency:50/60 Hz, Single Phase
Power Consumption:16.79 W (Access)
5.16 W (HDD Hibernation)
British Thermal Unit:57.29 BTU/hr (Access)
17.61 BTU/hr (HDD Hibernation)
Maximum Internal Volume Number:256
Maximum iSCSI Target Number:10
Maximum iSCSI LUN:10
Supported RAID Type:Synology Hybrid RAID
RAID Migration:Basic to RAID 1
Volume Expansion with Larger HDDs:Synology Hybrid RAID
Volume Expansion by Adding a HDD:Synology Hybrid RAID
File Sharing Capacity
Maximum Local User Accounts:2048
Maximum Local Groups:256
Maximum Shared Folder:256
Maximum Shared Folder Sync Tasks:4
Maximum Concurrent CIFS/AFP/FTP Connections:200
Windows Access Control List (ACL) Integration:Yes
NFS Kerberos Authentication:Yes
Syslog Events per Second:400
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.
Cloud Station Server:Yes
Maximum Number of Concurrently Connected Devices:200
Maximum Number of Synced Files (ext4):200,000 / single file reaction time 687 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.
Maximum Concurrent Download Tasks:50
exFAT Access (optional):Yes
Maximum Simultaneous Editing Users30
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
Maximum IP cam (Licenses required):15 (including 2 Free License)
Total FPS (H.264):450 FPS at 720p (1280x720)
180 FPS at 1080p (19201080)
110 FPS at 3M (2048x1536)
80 FPS at 5M (2591x1944)
40 FPS at 4K (3840x2160)
Total FPS (H.265):450 FPS at 720p (1280x720)
450 FPS at 1080p (19201080)
210 FPS at 3M (2048x1536)
120 FPS at 5M (2591x1944)
60 FPS at 4K (3840x2160)
Total FPS (MJPEG):210 FPS at 720p (1280x720)
70 FPS at 1080p (19201080)
50 FPS at 3M (2048x1536)
30 FPS at 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 Transcoding:4K Group 3
Maximum Transcoding Channel Number:1 channel, 30 FPS at 4K (4096 x 2160), H.265 (HEVC), 10-bit or
1 channel, 30 FPS at 1080p (19201080), H.264 (AVC)/H.265 (HEVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Environment and Packaging
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 1
Quick Installation Guide X 1
Optional Accessories:Surveillance Device License Pack
Disk Holder: Type C
Item Dimension (L inchxW inchxH inch)
11 x 10 x 5
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