Updated November 2026
Data from the official Synology and Ubiquiti sites.
2026 verdict
Ubiquiti UNAS Pro edges out Synology DS423 in 2026, led by rating and memory capacity.
Its strongest advantages show up in rating and memory capacity, with its broader overall balance helping widen the gap. Pick Synology DS423 only when apps & virtualization is the deciding factor for your setup. In practical terms, Ubiquiti UNAS Pro is the easier product to recommend.
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| Feature | Synology DS423 | Ubiquiti UNAS Pro | Winner |
|---|---|---|---|
| Rating | 4.4 | 5.0 | Ubiquiti UNAS Pro |
| Memory Capacity | 2 GB | 8 GB | Ubiquiti UNAS Pro |
| Apps & Virtualization | Docker Containers, Plex Media Server, Surveillance App, AI Photo Recognition | None | Synology DS423 |
| Processor | Hardware Encryption Engine | None | Tie |
| Storage | Hot Swappable | Hot Swappable | Tie |
| Network | Wake on LAN | None | Tie |
$399.99
- + Apps & Virtualization: Docker Containers, Plex Media Server, Surveillance App, AI Photo Recognition
- - Rating: 4.4 vs 5.0
- - Memory Capacity: 2 GB vs 8 GB
Winner
- + Rating: 5.0
- + Memory Capacity: 8 GB
- - Apps & Virtualization: None vs Docker Containers, Plex Media Server, Surveillance App, AI Photo Recognition
Frequently Asked Questions
Which is better overall: Synology DS423 or Ubiquiti UNAS Pro?
Ubiquiti UNAS Pro has the stronger overall profile in this comparison, especially for rating and memory capacity.
What is the biggest difference between Synology DS423 and Ubiquiti UNAS Pro?
Rating is one of the clearest differences: Synology DS423 lists 4.4, while Ubiquiti UNAS Pro lists 5.0.
Who should buy Synology DS423?
Choose Synology DS423 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.
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