Synology DiskStation DS925+ 4-Bay 3.5" Diskless NAS

Synology DiskStation DS925+ 4 Bays 3.5" Diskless

Hardware Specifications

CPU

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)

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 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 · 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

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)

Relative Humidity · 5% to 95% RH

Certification

• FCC
• CE
• BSMI
• VCCI
• RCM
• UKCA
• EAC
• CCC
• KC
• BIS

Warranty

3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus

Notes

• The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
• Extended Warranty Plus is only available in Europe and North America. EW201/EW202 is only available in Asia, Africa, and Oceania. For exact availability information please visit their respective websites.