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NAS · Head to head

Synology DS223j vs Ubiquiti UNAS Pro

Full NAS comparison in 2026

Updated October 2026
Data from Amazon and official Synology and Ubiquiti sites.
2026 verdict
Ubiquiti UNAS Pro is the more complete option versus Synology DS223j in 2026, helped most by rating, memory capacity, and storage.
Ubiquiti UNAS Pro
Winner
Ubiquiti UNAS Pro

Last recorded price

Currently unavailable on Amazon USA
See on Amazon USA
It has the clearer edge on rating, memory capacity, and storage, and it stays ahead on its broader overall balance. Synology DS223j is the better fit only for buyers who prioritize apps & virtualization above everything else here. That is why Ubiquiti UNAS Pro wins the verdict here.
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FeatureSynology DS223jUbiquiti UNAS ProWinner
Rating4.55.0Ubiquiti UNAS Pro
Memory Capacity1 GB8 GBUbiquiti UNAS Pro
StorageNoneHot SwappableUbiquiti UNAS Pro
Apps & VirtualizationPlex Media Server, Surveillance App, AI Photo RecognitionNoneSynology DS223j
ProcessorHardware Encryption EngineNoneTie
NetworkWake on LANNoneTie
Synology

Synology DS223j

15% OFF
Prime exclusive deal
$178.49
$209.99

Last recorded price

Buy on Amazon USA
  • + Apps & Virtualization: Plex Media Server, Surveillance App, AI Photo Recognition
  • - Rating: 4.5 vs 5.0
  • - Memory Capacity: 1 GB vs 8 GB
Winner
Ubiquiti

Ubiquiti UNAS Pro

Prime exclusive deal

Last recorded price

Currently unavailable on Amazon USA
See on Amazon USA
  • + Rating: 5.0
  • + Memory Capacity: 8 GB
  • + Storage: Hot Swappable
  • - Apps & Virtualization: None vs Plex Media Server, Surveillance App, AI Photo Recognition

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 DS223j
  • Ubiquiti UNAS Pro

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Frequently Asked Questions

Which is better overall: Synology DS223j or Ubiquiti UNAS Pro?

Ubiquiti UNAS Pro has the stronger overall profile in this comparison, especially for rating, memory capacity, and storage.

What is the biggest difference between Synology DS223j and Ubiquiti UNAS Pro?

Rating is one of the clearest differences: Synology DS223j lists 4.5, while Ubiquiti UNAS Pro lists 5.0.

Who should buy Synology DS223j?

Choose Synology DS223j if your priority is apps & virtualization and that matters more than rating.

Who should buy Ubiquiti UNAS Pro?

Choose Ubiquiti UNAS Pro if your priority is rating and memory capacity and that matters more than apps & virtualization.

Full comparison table

Compare all 35 NAS side by side

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  • 61 specs compared
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