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SYNOLOGY DS925+ 4-Bay DiskStation (up to 9-Bay), AMD Ryzen V1500B, 4GB RAM
Synology

SYNOLOGY DS925+ 4-Bay DiskStation (up to 9-Bay), AMD Ryzen V1500B, 4GB RAM

Bottom line: The SYNOLOGY DS925+ 4-Bay DiskStation ($769.99 on Amazon as of 2026-10-21 12:20 UTC): Sequential throughput rated up to 522/565 MB/s read/write; main trade-off: only compatible with Synology-branded drives, limiting HDD sourcing.

$769.99

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Buy on Amazon — $769.99 Compare to similar external storage

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Sequential throughput rated up to 522/565 MB/s read/write
  • ✓ Dual 2.5GbE ports for faster transfers and link redundancy
  • ✓ AMD Ryzen V1500B quad-core handles virtualization and surveillance apps
  • ✓ Expands from 4 to 9 bays via DX525, up to 180 TB total
  • ✓ 3-year limited hardware warranty, extendable to 5 years in select markets

Cons

  • ✗ Only compatible with Synology-branded drives, limiting HDD sourcing
  • ✗ Ships with 4GB RAM, tight for heavy virtualization workloads
  • ✗ 9-bay ceiling requires buying the separate DX525 expansion unit
  • ✗ Drive-lock policy plus expansion unit pushes total build cost well past the enclosure price

Manufacturer description

SYNOLOGY DS925+ 4-bay DiskStation (up to 9-bay), AMD Ryzen V1500B, 4GB RAM

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SpecPicks Verdict

SpecPicks scored SYNOLOGY DS925+ 4-Bay DiskStation using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Synology's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Dependable Performance – Up to 522/565 MB/s sequential read/write throughput for stable data transfers. Only compatible with Synology branded drives.
  • Fast and Flexible Networking – Dual 2.5GbE ports offer fast network speeds and improved redundancy
  • Versatile Network Storage – Includes file and photo management, data protection, virtualization, and surveillance features
  • Capacity Expansion – Expand up to 9 bays with the DX525 for up to 180 TB of storage
  • Extendable Product Support – 3-year limited hardware warranty, extendable to 5 years in select markets

Full Specifications

Size29 cm x 26 cm x 25 cm
BrandSynology
Colorblack
MaterialMetal
Unit Count1 Count
Model NumberDS925+
Mounting TypeTabletop, Shelf Assembly
Mfr Part NumberDS925+
Number of Items1
Compatible DevicesCPU, Desktop, Laptop, Server
Enclosure MaterialMetal
Warranty Description3 Year Manufacturer Guarantee
Item Dimensions D x W x H11.42"D x 10.24"W x 9.45"H
Global Trade Identification Number04711174726004
EU Spare Part Availability Duration3 years

Ready to buy?

SYNOLOGY DS925+ 4-Bay DiskStation (up to 9-Bay), AMD Ryzen V1500B, 4GB RAM is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $769.99

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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SYNOLOGY DS925+ 4-Bay DiskStation (up to 9-Bay), AMD Ryzen V1500B, 4GB RAM
$769.99
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