Synology DS925+

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Status: Currently sold

Series	x25 Series
Bays	4
CPU	AMD Ryzen V1500B
Cores / Threads	4 / 8
RAM	4 GB
CPU architecture	x86_64
Support tier	full
Warranty (years)	3
RAM (max)	32 GB
Memory slots	2
Memory generation	DDR4
ECC memory	Supported
Memory module type	SODIMM
Replaceable memory	Replaceable
Network ports	2x 2.5GbE
USB ports	2x USB 3.2 Gen 1
M.2 slots	2
Drive bay types	3.5" SATA HDD or 2.5" SATA SSD; M.2 2280 NVMe SSD
Hot-swappable bays	yes
CPU frequency (GHz)	2.2
Max bays with expansion unit	9
Power draw, active (W)	37.91
Power draw, hibernation (W)	12.33
Power supply (W)	100
Noise level (dBA)	20.5
Dimensions H x W x D (mm)	166 x 199 x 223
Weight (kg)	2.26
Largest certified configuration observed	96 TB (4 x Synology HAT5320-24T, largest drive on the vendor HCL today; not a hardware limit)
Estimated cost to fill every bay with a certified 8 TB drive	about $2,632 new (Synology HAT3320-8T) / about $1,180 used (Synology HAT3310-8T) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified
Estimated cost to fill every bay with a certified 16 TB drive	about $2,396 new (Synology HAT3310-16T) / about $1,671 used (Synology HAT5300-16T) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified

Buy on Amazon View on eBay (new from $644.36) Official product page

10 eBay listings checked Aug 8, 2026 · 10 new, 0 used

Documents

• Datasheet (PDF)
• Product Specifications (PDF)

Compatible Drives

39 drives certified on DS925+'s official manufacturer compatibility list, sourced directly from Synology's own published Hardware Compatibility List. Each model links to that drive's own compatibility page.

Certified list last checked 2026-08-18.

Compatible Memory

3 memory modules listed by Synology as compatible with DS925+. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.

Certified list last checked 2026-09-16. Coverage varies by model. Rated module speed is not a guarantee of NAS operating speed; follow the NAS maximum capacity and installation rules.

Looking for cameras compatible with Synology NAS units? See the full Synology camera compatibility database.