Flexible storage for everything from home office to edge

The Synology DiskStation DS925+ is a powerful 4-bay NAS designed for small businesses and advanced users. It features a quad-core AMD Ryzen processor, 4GB of ECC RAM (expandable to 32GB), and dual 2.5GbE ports for fast performance. Supporting both SATA and M.2 NVMe SSDs, it allows SSD caching and storage expansion up to 180TB with the DX525 unit. Running on DiskStation Manager (DSM), it includes tools for backup, file sharing, media, and surveillance, with support for up to 40 IP cameras. Use of Synology-compatible drives is recommended for best performance.

Specification

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 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	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 before purchasing hard drives. For more details, please refer to
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  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
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt.  is only available in Europe and North America. is only available in Asia, Africa, and Oceania. For exact availability information please visit their respective websites.
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
Optional Accessories	DDR4 ECC SODIMM:  Expansion Units:  Enterprise Series 3.5" SATA HDD:  Plus Series 3.5" SATA HDD:  Enterprise Series 2.5" SATA SSD: Enterprise Series M.2 2280 NVMe SSD: