NAS · Head to head

Synology DS425+ vs Ubiquiti UNAS 4

Full NAS comparison in 2026

Data from Amazon and official Synology and Ubiquiti sites.
2026 verdict
Between Synology DS425+ and Ubiquiti UNAS 4, Synology DS425+ is the better overall pick in 2026, leading on processor, storage, and network. It has the clearer edge on processor, storage, and network, and it stays ahead on apps & virtualization. Choose Ubiquiti UNAS 4 only if price matters more to you than the broader advantage from Synology DS425+. Overall, Synology DS425+ makes more sense for most people.
vs
FeatureSynology DS425+Ubiquiti UNAS 4Winner
Price$599.99$379.00Ubiquiti UNAS 4
ProcessorHardware Transcoding, Hardware Encryption EngineNoneSynology DS425+
StorageHot Swappable, M.2 as Storage PoolNoneSynology DS425+
NetworkWake on LANNoneSynology DS425+
Apps & VirtualizationDocker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo RecognitionNoneSynology DS425+
Winner
Synology

Synology DS425+

$599.99
Buy on Amazon USA
  • + Processor: Hardware Transcoding, Hardware Encryption Engine
  • + Storage: Hot Swappable, M.2 as Storage Pool
  • + Network: Wake on LAN
  • - Price: $599.99 vs $379.00

Frequently Asked Questions

Which is better overall: Synology DS425+ or Ubiquiti UNAS 4?

Synology DS425+ has the stronger overall profile in this comparison, especially for processor, storage, and network.

What is the biggest difference between Synology DS425+ and Ubiquiti UNAS 4?

Price is one of the clearest differences: Synology DS425+ lists $599.99, while Ubiquiti UNAS 4 lists $379.00.

Which one looks better on price?

Synology DS425+ is listed at $599.99, while Ubiquiti UNAS 4 is listed at $379.00. Ubiquiti UNAS 4 (better spec).

Who should buy Synology DS425+?

Choose Synology DS425+ 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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