DiskStation DS925+

Flexible storage for everything from home office to edge

Consolidate and store your growing digital data

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4-bay with expansion

Up to 180 TB of raw storage with expansion unit1,2

High-speed storage

Two built-in 2.5GbE ports and over 522/565 MB/s sequential read/write3

Versatile applications

Back up multiple endpoints, manage 40 IP cameras4 , or safely sync and share files across sites

2.5GbE connectivity and diverse storage options

The DS925+ features built-in 2.5GbE networking and supports both SATA flash drives and HDDs in 2.5"/3.5" internal bays, as well as M.2 NVMe drives via M.2 slots for use as either cache or storage pools.1,5

Up to

522/565 MB/s

read/write3

It features built in 2.5GbE networking

Built-in dual

2.5GbE

networking

And supports two M.2 NVMe slots for caching or storage pool creation

2 x M.2

NVMe

cache & storage pool5

Expand capacity for evolving needs

Consolidate your data with up to 80 TB of raw storage across 4 bays. Need more space? Add capacity with the DX525 for up to 180 TB of total raw storage.2

The DS925+ supports up to 180 TB of raw capacity after expansion when using 20 TB drives

4 bays

80 TB

9 bays

180 TB

Performance backed by Synology drives

Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.4

HDD

Enterprise Series 3.5" SATA

Plus Series 3.5" SATA

SSD

Enterprise Series 2.5" SATA

Enterprise Series M.2 NVMe

Extra protection with Extended Warranty Plus

Add an additional two years to your standard three-year limited hardware warranty10 and gain access to premium services that accelerate recovery in the event of a disaster.11

Hardware Overview

1 Status Indicator

2 Drive Status Indicators

3 Drive Tray Lock

4 USB 3.2 Gen 1 Port

5 Power Button and Indicator

6 Drive Trays

7 Fans

8 2.5GbE RJ-45 Ports

9 Reset Button

10 USB 3.2 Gen 1 Port

11 Power Port

12 Expansion Port

13 Kensington Security Slot

14 M.2 NVMe SSD Slots

CPU	CPU Model	AMD Ryzen V1500B
	CPU Quantity	1
	CPU Core	4
	CPU Architecture	64-bit
	CPU Frequency	2.2 GHz
	Hardware Encryption Engine (AES-NI)
Memory	System Memory	4 GB DDR4 ECC
	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)
	Compatible 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 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. dB(A)
	Scheduled Power On / Off
	Wake on LAN / WAN
	Power Supply Unit / Adapter	100 W
	AC Input Power Voltage	100V to 240V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption	37.91 W (Access) 12.33 W (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.
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: D4ES02-4G/D4ES02-8G/D4ES01-16G Expansion Units: DX517 3.5" SATA HDD: HAT5300 2.5" SATA SSD: SAT5210 M.2 2280 NVMe SSD: SNV3410 10GbE Network Upgrade Module: E10G22-T1-Mini VisualStation: VS360HD