NAS · Head to head

Synology DS425+ vs Synology DS725+

Full NAS comparison in 2026

Data from Amazon and official Synology site.
2026 verdict
Synology DS725+ wins the 2026 matchup against Synology DS425+, mainly on price, memory capacity, and storage. Its strongest advantages show up in price, memory capacity, and storage, with its broader overall balance helping widen the gap. The only strong reason to choose Synology DS425+ is if rating and processor are more important to you than the overall verdict. That makes Synology DS725+ the clearer recommendation in 2026.
vs
FeatureSynology DS425+Synology DS725+Winner
Price$599.99$547.11Synology DS725+
Rating4.54.1Synology DS425+
ProcessorHardware Transcoding, Hardware Encryption EngineHardware Encryption EngineSynology DS425+
Memory Capacity2 GB4 GBSynology DS725+
StorageHot Swappable, M.2 as Storage PoolHot Swappable, M.2 as Storage Pool, Expansion Unit SupportSynology DS725+
Warranty3 years3 yearsTie
NetworkWake on LANWake on LANTie
Apps & VirtualizationDocker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo RecognitionDocker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo RecognitionTie
Winner
Synology

Synology DS725+

$547.11
Buy on Amazon USA
  • + Price: $547.11
  • + Memory Capacity: 4 GB
  • + Storage: Hot Swappable, M.2 as Storage Pool, Expansion Unit Support
  • - Rating: 4.1 vs 4.5
  • - Processor: Hardware Encryption Engine vs Hardware Transcoding, Hardware Encryption Engine

Frequently Asked Questions

Which is better overall: Synology DS425+ or Synology DS725+?

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

What is the biggest difference between Synology DS425+ and Synology DS725+?

Price is one of the clearest differences: Synology DS425+ lists $599.99, while Synology DS725+ lists $547.11.

Which one looks better on price?

Synology DS425+ is listed at $599.99, while Synology DS725+ is listed at $547.11. Synology DS725+ (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 Synology DS725+?

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

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