Synology 4 Bay Nas Disk Station (DS925+)

CPU Model

AMD Ryzen V1500B

CPU Quantity

1

CPU Core

4

CPU Architecture

64-bit

CPU Frequency

2.2 GHz

Hardware Encryption Engine

Memory

System Memory

4 GB DDR4 ECC SODIMM

Memory Module Pre-installed

4 GB (4 GB x 1)

Total Memory Slots

2

Maximum Memory Capacity

32 GB (16 GB x 2)

Storage

Drive Bays

4

Maximum Drive Bays with Expansion Unit

9 (DX525 x 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*

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

1

Expansion Port Type

USB Type-C

Appearance

Size (Height x Width x Depth)

166 mm x 199 mm x 223 mm

Weight

2.26 kg

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*

20.5 dB(A)

Scheduled Power On / Off

Wake on LAN / WAN

Power Supply Unit / Adapter

100 watts

120 watts*

AC Input Power Voltage

100V to 240V AC

Power Frequency

50/60 Hz, Single Phase

Power Consumption*

37.91 watts (Access)

12.33 watts (HDD Hibernation)

British Thermal Unit

129.27 BTU/hr (Access)

42.05 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%

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