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NAS · Head to head

Synology DS725+ vs Ubiquiti UNAS Pro 4

Full NAS comparison in 2026

Updated September 2026
Data from Amazon and official Synology and Ubiquiti sites.
2026 verdict
Synology DS725+ wins the 2026 matchup against Ubiquiti UNAS Pro 4, mainly on price, processor, and storage.
Its clearest strengths are price, processor, and storage, and it still looks stronger on network and apps & virtualization. The only strong reason to choose Ubiquiti UNAS Pro 4 is if memory capacity is more important to you than the overall verdict. In practical terms, Synology DS725+ is the easier product to recommend.
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FeatureSynology DS725+Ubiquiti UNAS Pro 4Winner
Price$527.99$663.00Synology DS725+
ProcessorHardware Encryption EngineNoneSynology DS725+
Memory Capacity4 GB8 GBUbiquiti UNAS Pro 4
StorageHot Swappable, M.2 as Storage Pool, Expansion Unit SupportHot SwappableSynology DS725+
NetworkWake on LANNoneSynology DS725+
Apps & VirtualizationDocker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo RecognitionNoneSynology DS725+
Rating4.14.1Tie

Frequently Asked Questions

Which is better overall: Synology DS725+ or Ubiquiti UNAS Pro 4?

Synology DS725+ has the stronger overall profile in this comparison, especially for price, processor, and storage.

What is the biggest difference between Synology DS725+ and Ubiquiti UNAS Pro 4?

Price is one of the clearest differences: Synology DS725+ lists $527.99, while Ubiquiti UNAS Pro 4 lists $663.00.

Which one looks better on price?

Synology DS725+ is listed at $527.99, while Ubiquiti UNAS Pro 4 is listed at $663.00. Synology DS725+ (better spec).

Who should buy Synology DS725+?

Choose Synology DS725+ if your priority is price and processor and that matters more than memory capacity.

Who should buy Ubiquiti UNAS Pro 4?

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

Full comparison table

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