Hardware Specifications CPU CPU Model Realtek RTD1296 CPU Architecture 64-bit CPU Frequency Quad Core 1.4 GHz Hardware Encryption Engine  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 1 GB DDR4 Storage Drive Bays 1 Compatible Drive Type* (See all supported drives) •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 12 TB (12 TB drive x 1) (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. (Learn more) External Ports RJ-45 1GbE LAN Port 1 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 71 mm x 224 mm Weight 0.7 kg Others System Fan 60 mm x 60 mm x 1 pcs Fan Speed Mode •Full-Speed Mode •Cool Mode •Quiet Mode •Low-power Mode Brightness adjustable front LED indicators  Power Recovery  Noise Level* 16.7 dB(A) Scheduled Power On/Off  Wake on LAN/WAN  Power Supply Unit / Adapter 36W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption* 9.4 W (Access) 4.22 W (HDD Hibernation) British Thermal Unit 32.1 BTU/hr (Access) 14.41 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 •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 1 Maximum iSCSI Target Number 10 Maximum iSCSI LUN 10 Supported RAID Type Basic SSD Support SSD TRIM  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  NFS Kerberos Authentication  Log Center  Syslog Events per Second 100 Add-on Packages (learn more about the complete add-on package list) Chat  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. Cloud Station Server  Maximum Number of Concurrently Connected Devices 200 Maximum Number of Synced Files (ext4) 100,000 / single file reaction time 617 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  Maximum Concurrent Download Tasks 30 exFAT Access (optional)  Media Server  DLNA Compliance  Office  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  Maximum IP cam (Licenses required) 15 (including 2 Free License) (See All Supported IP Cameras) Total FPS (H.264)* 450 FPS @ 720p (1280x720) 180 FPS @ 1080p (1920×1080) 110 FPS @ 3M (2048x1536) 80 FPS @ 5M (2591x1944) 40 FPS @ 4K (3840x2160) Total FPS (H.265)* 450 FPS @ 720p (1280x720) 450 FPS @ 1080p (1920×1080) 210 FPS @ 3M (2048x1536) 120 FPS @ 5M (2591x1944) 60 FPS @ 4K (3840x2160) Total FPS (MJPEG)* 210 FPS @ 720p (1280x720) 70 FPS @ 1080p (1920×1080) 50 FPS @ 3M (2048x1536) 30 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 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 (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 VPN Server  Maximum Connections 5 Environment & Packaging Environment RoHS Compliant Packaging Content •Main Unit X 1 •Accessory Pack X 1 •AC Power Adapter X 1 •RJ-45 LAN Cable X 1 •Quick Installation Guide X 1 Optional Accessories •Surveillance Device License Pack •Disk Holder: Type C •VS360HD •VS960HD