NAS · Head to head

Synology DS725+ vs Ubiquiti UNAS 4

Full NAS comparison in 2026

Data from Amazon and official Synology and Ubiquiti sites.
2026 verdict
Across the 2026 comparison, Synology DS725+ earns the nod over Ubiquiti UNAS 4 on the strength of processor, storage, and network. The main reason it wins is processor, storage, and network, and apps & virtualization strengthens that case. The only strong reason to choose Ubiquiti UNAS 4 is if price is more important to you than the overall verdict. That is enough to make Synology DS725+ the better pick for most buyers.
vs
FeatureSynology DS725+Ubiquiti UNAS 4Winner
Price$547.11$379.00Ubiquiti UNAS 4
ProcessorHardware Encryption EngineNoneSynology DS725+
StorageHot Swappable, M.2 as Storage Pool, Expansion Unit SupportNoneSynology DS725+
NetworkWake on LANNoneSynology DS725+
Apps & VirtualizationDocker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo RecognitionNoneSynology DS725+
Winner
Synology

Synology DS725+

$547.11
Buy on Amazon USA
  • + Processor: Hardware Encryption Engine
  • + Storage: Hot Swappable, M.2 as Storage Pool, Expansion Unit Support
  • + Network: Wake on LAN
  • - Price: $547.11 vs $379.00

Frequently Asked Questions

Which is better overall: Synology DS725+ or Ubiquiti UNAS 4?

Synology DS725+ has the stronger overall profile in this comparison, especially for processor, storage, and network.

What is the biggest difference between Synology DS725+ and Ubiquiti UNAS 4?

Price is one of the clearest differences: Synology DS725+ lists $547.11, while Ubiquiti UNAS 4 lists $379.00.

Which one looks better on price?

Synology DS725+ is listed at $547.11, while Ubiquiti UNAS 4 is listed at $379.00. Ubiquiti UNAS 4 (better spec).

Who should buy Synology DS725+?

Choose Synology DS725+ if your priority is processor and storage and that matters more than price.

Who should buy Ubiquiti UNAS 4?

Choose Ubiquiti UNAS 4 if your priority is price and that matters more than processor.

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