NAS · Head to head

Synology DS425+ vs Ubiquiti UNAS Pro 4

Full NAS comparison in 2026

Updated October 2026
Data from Amazon and official Synology and Ubiquiti sites.
2026 verdict
Synology DS425+ has the better all-around case than Ubiquiti UNAS Pro 4 in 2026, starting with rating, processor, and apps & virtualization.
Synology DS425+
Winner
Synology DS425+
$589.00

Last recorded price

Buy on Amazon USA
What pushes it ahead is rating, processor, and apps & virtualization, and its broader overall balance keeps the advantage from looking narrow. Ubiquiti UNAS Pro 4 still makes sense if price and memory capacity are your priority, but most buyers should still lean toward Synology DS425+. That is enough to make Synology DS425+ the better pick for most buyers.
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FeatureSynology DS425+Ubiquiti UNAS Pro 4Winner
Price$589.00$538.00Ubiquiti UNAS Pro 4
Rating4.74.3Synology DS425+
ProcessorHardware Transcoding, Hardware Encryption EngineNoneSynology DS425+
Memory Capacity2 GB8 GBUbiquiti UNAS Pro 4
Apps & VirtualizationDocker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo RecognitionNoneSynology DS425+
StorageHot Swappable, M.2 as Storage PoolHot SwappableTie
NetworkWake on LANNoneTie
Winner
Synology

Synology DS425+

Prime exclusive deal
$589.00

Last recorded price

Buy on Amazon USA
  • + Rating: 4.7
  • + Processor: Hardware Transcoding, Hardware Encryption Engine
  • + Apps & Virtualization: Docker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo Recognition
  • - Price: $589.00 vs $538.00
  • - Memory Capacity: 2 GB vs 8 GB
Ubiquiti

Ubiquiti UNAS Pro 4

Prime exclusive deal
$538.00

Last recorded price

Buy on Amazon USA
  • + Price: $538.00
  • + Memory Capacity: 8 GB
  • - Rating: 4.3 vs 4.7
  • - Processor: None vs Hardware Transcoding, Hardware Encryption Engine

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Synology DS425+
  • Ubiquiti UNAS Pro 4

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Frequently Asked Questions

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

Synology DS425+ has the stronger overall profile in this comparison, especially for rating, processor, and apps & virtualization.

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

Price is one of the clearest differences: Synology DS425+ lists $589.00, while Ubiquiti UNAS Pro 4 lists $538.00.

Which one looks better on price?

Synology DS425+ is listed at $589.00, while Ubiquiti UNAS Pro 4 is listed at $538.00. Ubiquiti UNAS Pro 4 (better spec).

Who should buy Synology DS425+?

Choose Synology DS425+ if your priority is rating and processor and that matters more than price.

Who should buy Ubiquiti UNAS Pro 4?

Choose Ubiquiti UNAS Pro 4 if your priority is price and memory capacity and that matters more than rating.

Full comparison table

Compare all 35 NAS side by side

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  • 35 NAS
  • 61 specs compared
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