Memory

System Memory: 4 GB DDR4 ECC SODIMM

Memory Module Pre-installed: 4 GB (4 GB × 1)

Total Memory Slots: 2  

Maximum Memory Capacity: 32 GB (16 GB x 2)              

* Synology may revise pre-installed memory module specifications in response to   component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and 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: 2    

Maximum Drive Bays with Expansion Unit: 7 (DX525 × 1)           

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*: ✓

* The hot swappable drive feature is not supported by M.2 SSD slots. 

* Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.       

External Ports

RJ-45 1GbE LAN Port: 1               

RJ-45 2.5GbE LAN Port: 1           

USB 3.2 Gen 1 Port: 1  

Expansion Port: 1           

Expansion Port Type: USB Type-C          

* This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500   bytes.

Appearance

Size (Height x Width x Depth): 166 mm × 106 mm × 223 mm    

Weight: 1.51 kg                

Others

System Fan: 92 mm × 92 mm × 1 pcs  

Fan Speed Mode:                            

Full-Speed Mode           

Cool Mode        

Quiet Mode       

Brightness Adjustable Front LED Indicators: ✓

Power Recovery: ✓                         

Noise Level*: 17.9 dB(A)             

Scheduled Power On / Off: ✓   

Wake on LAN / WAN: ✓

Power Supply Unit / Adapter: 65 watts

AC Input Power Voltage: 100V to 240V AC

Power Frequency: 50/60 Hz, Single Phase

Power Consumption:

20.41 watts (Access)

7.87 watts (HDD Hibernation) 

British Thermal Unit:

69.61 BTU/hr (Access)

26.84 BTU/hr (HDD Hibernation)            

* 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%  

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           

Certification

FCC      

CE         

BSMI    

VCCI    

RCM     

UKCA   

EAC      

CCC     

KC         

BIS        

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