VerdictAI
#4 in Best NAS / Network Attached Storage

Synology 4-Bay DiskStation DS925+ (Diskless)

Synology

Best for

Best 4-bay

Amazon rating

★★★★★4.0(104)

Amazon aggregate, one input among many in the Verdict Score

Verdict scoreGood
75/ 100

Current price

$629.99

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Updated May 18, 2026 · 1 min read

Synology 4-Bay DiskStation DS925+ (Diskless)

Sources behind this verdict

11 reviewers weighted by source trust

Methodology →

The consensus

What reviewers found

Synthesized across the trust-weighted source mix below.

The Synology DS925+ is the most controversial unit in this roundup, and the reviewers we read do not pretend otherwise. dongknows.com calls it "a solid server stunted by the lack of a 10GbE upgrade option, available in previous model." neowin.net frames its review explicitly around Synology "backtracking on locking out unapproved drives." An Android Central headline surfaced in r/synology summarizes the mood: "much-needed upgrades, but Synology's hard drive restrictions make it hard to recommend." blackvoid.club is more positive, noting the unit "performs admirably even without a 10GbE option" over SMB. The community split is real.

What reviewers liked

  • DSM remains the most polished NAS OS per r/synology consensus
  • blackvoid.club confirms strong SMB throughput in real-world use
  • Intel CPU with integrated graphics enables hardware transcoding
  • Mature backup, snapshot, and replication tooling
  • Wide third-party app ecosystem and long-term firmware support track record

Where it falls short

  • dongknows.com explicitly criticizes the loss of the 10GbE upgrade option vs. the previous-gen model
  • Drive-compatibility restrictions are the dominant complaint in r/synology threads
  • 4.0/5 Amazon rating is lowest among our top five picks
  • Hardware is modest for the price compared to UGREEN's N100/Pentium Gold offerings
  • neowin.net frames the unit primarily in the context of Synology walking back drive lockouts - a trust hit reviewers haven't forgotten

Across the reviews

Synthesis · not our verdict

The Synology DS925+ is the most controversial unit in this roundup, and the reviewers we read do not pretend otherwise. dongknows.com calls it "a solid server stunted by the lack of a 10GbE upgrade option, available in previous model." neowin.net frames its review explicitly around Synology "backtracking on locking out unapproved drives." An Android Central headline surfaced in r/synology summarizes the mood: "much-needed upgrades, but Synology's hard drive restrictions make it hard to recommend." blackvoid.club is more positive, noting the unit "performs admirably even without a 10GbE option" over SMB.

The community split is real. r/synology threads contain both "first-NAS buyers happy with their setup" posts and longtime Synology users frustrated that the previous-gen DS923+ had a 10GbE expansion path the DS925+ removed. Verified-purchase Amazon reviewers land at 4.0/5 across 104 reviews - the lowest in our top five, which reviewers attribute to the drive policy debate rather than any hardware defect. For buyers who specifically want a 4-bay Synology and value DSM, it is still the natural pick; for buyers who want maximum hardware-per-dollar in 4 bays, the UGREEN DXP4800 Plus is the more frequent community recommendation.

Key specs

Source: Amazon listing
Supports drives on the model's official compatibility list
Up to 522/565 MB/s sequential read/write throughput supports stable data transfers.
Dual 2.5GbE ports provide fast network transfer speeds and increased redundancy.
Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions.
Backed by Synology's 3-year limited hardware warranty.

What customers say

3 verified voices
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Supportingvia Newegg customers
"The DiskStation DS925+ brings much-needed upgrades, but Synology's hard drive restrictions make it hard to recommend.".
Supportingvia r/synology
Of course he says they're good drives—even though they're the same as Toshiba's enterprise-grade series! He's sponsored by them, so he has to ...
Supportingvia r/synology

Trust tier reflects our editorial assessment of the source, not the individual quote. Hover for the rationale. See how we tier sources →

Video review

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Synology DiskStation DS925+ NAS REVIEW” · YouTube

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