• 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 multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
STORAGE
Drive Bays
5
Maximum Drive Bays with Expansion Unit
15 (DX525 x 2)
M.2 Drive Slots
2 (NVMe)
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 drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.
EXTERNAL PORTS
RJ-45 2.5GbE LAN Port
2
USB 3.2 Gen 1 Port
2
Expansion Port
2
Expansion Port Type
USB Type-C
PCIE
PCIe Expansion
1 x Gen3 x2 network upgrade slot
APPEARANCE
Size (Height x Width x Depth)
166 mm x 230 mm x 223 mm
Weight
2.67 kg
TEMPERATURE
Operating Temperature
0°C to 40°C (32°F to 104°F)
Storage Temperature
-20°C to 60°C (-5°F to 140°F)
Operating Humidity
8% to 80% RH
Storage Humidity
5% to 95% RH
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
✓
Power Recovery
✓
Noise Level*
22.60 dB(A)
Scheduled Power On / Off
✓
Wake on LAN / WAN
✓
Power Supply Unit / Adapter
120 watts
AC Input Power Voltage
100V to 240V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption*
44.56 watts (Access)
13.63 watts (HDD Hibernation)
British Thermal Unit
151.95 BTU/hr (Access)
46.48 BTU/hr (HDD Hibernation)
Notes
• For more information on how power consumption is measured, refer to this article.
• Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. 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%