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NAS · Head to head

Synology DS425+ vs Ubiquiti UNAS 4

Full NAS comparison in 2026

Updated September 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 rating, processor, and storage.
Synology DS425+
Winner
Synology DS425+
$591.00
Buy on Amazon USACheck price
It has the clearer edge on rating, processor, and storage, and it stays ahead on network and apps & virtualization. Choose Ubiquiti UNAS 4 only if price and memory capacity matter more to you than the broader advantage from Synology DS425+. Overall, Synology DS425+ makes more sense for most people.
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FeatureSynology DS425+Ubiquiti UNAS 4Winner
Price$591.00$504.99Ubiquiti UNAS 4
Rating4.64.1Synology DS425+
ProcessorHardware Transcoding, Hardware Encryption EngineNoneSynology DS425+
Memory Capacity2 GB4 GBUbiquiti UNAS 4
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+

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 rating, processor, and storage.

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

Price is one of the clearest differences: Synology DS425+ lists $591.00, while Ubiquiti UNAS 4 lists $504.99.

Which one looks better on price?

Synology DS425+ is listed at $591.00, while Ubiquiti UNAS 4 is listed at $504.99. Ubiquiti UNAS 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 4?

Choose Ubiquiti UNAS 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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  • 61 specs compared
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