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NAS · Head to head

Ubiquiti UNAS 2 vs Ubiquiti UNAS Pro 4

Full NAS comparison in 2026

Updated October 2026
Data from Amazon and official Ubiquiti site.
2026 verdict
Ubiquiti UNAS Pro 4 has the better all-around case than Ubiquiti UNAS 2 in 2026, starting with rating and memory capacity.
Ubiquiti UNAS Pro 4
Winner
Ubiquiti UNAS Pro 4
Not available on Amazon USA
See on Amazon USA
Its clearest strengths are rating and memory capacity, and it still looks stronger on its broader overall balance. Ubiquiti UNAS 2 can still be the right pick, but only if its specific feature mix outweighs the wider strengths of Ubiquiti UNAS Pro 4. In practical terms, Ubiquiti UNAS Pro 4 is the easier product to recommend.
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FeatureUbiquiti UNAS 2Ubiquiti UNAS Pro 4Winner
Rating1.04.3Ubiquiti UNAS Pro 4
Memory Capacity4 GB8 GBUbiquiti UNAS Pro 4
StorageNoneHot SwappableTie

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.

  • Ubiquiti UNAS 2
  • Ubiquiti UNAS Pro 4

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Frequently Asked Questions

Which is better overall: Ubiquiti UNAS 2 or Ubiquiti UNAS Pro 4?

Ubiquiti UNAS Pro 4 has the stronger overall profile in this comparison, especially for rating and memory capacity.

What is the biggest difference between Ubiquiti UNAS 2 and Ubiquiti UNAS Pro 4?

Rating is one of the clearest differences: Ubiquiti UNAS 2 lists 1.0, while Ubiquiti UNAS Pro 4 lists 4.3.

Who should buy Ubiquiti UNAS 2?

Choose Ubiquiti UNAS 2 if your priority is its specific strengths and that matters more than rating.

Who should buy Ubiquiti UNAS Pro 4?

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

Full comparison table

Compare all 35 NAS side by side

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  • 35 NAS
  • 61 specs compared
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