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CPU Model AMD Ryzen R1600 CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 2-core 2.6 (base) / 3.1 (turbo) GHz Hardware Encryption Engine (AES-NI)Memory System Memory 4 GB DDR4 ECC Memory Module Pre-installed 4 GB (4 GB x 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes
- Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
- Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
- For more information about the recommended memory configurations, please check the of your Synology product.
Drive Bays 4 Maximum Drive Bays with Expansion Unit 9 (DX517 x 1) M.2 Drive Slots 2 (NVMe) Compatible Drive Type* (See all supported drives)
- 3.5" SATA HDD
- 2.5" SATA SSD
- M.2 2280 NVMe SSD
Hot Swappable Drive* Notes
- The hot swappable drive feature is not supported by M.2 SSD slots.
- "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
RJ-45 1GbE LAN Port* 2 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 2 eSATA Port 1 Notes
- This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
- The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe Expansion 1 x Gen3 x2 network upgrade slotFile System Internal Drives
Size (Height x Width x Depth) 166 mm x 199 mm x 223 mm Weight 2.24 kgOthers 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 Power Recovery Noise Level* 22.9 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 100 W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 35.51 W (Access)
11.52 W (HDD Hibernation)
British Thermal Unit 121.09 BTU/hr (Access)
39.28 BTU/hr (HDD Hibernation)
- For more information on how power consumption is measured, refer to
- Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle stae. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RHCertification
3-year hardware warrantyEnvironment RoHS CompliantPackaging 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