Winner
Updated November 2026
Data from the 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 processor and apps & virtualization.
It has the clearer edge on processor and apps & virtualization, and it stays ahead on its broader overall balance. 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.
News by email
Still comparing? Get what's new by email
New releases and the smart home news worth knowing, in your inbox.
No spam. Unsubscribe in one click.
| Feature | Synology DS425+ | Ubiquiti UNAS 4 | Winner |
|---|---|---|---|
| Price | $579.97 | $574.99 | Ubiquiti UNAS 4 |
| Processor | Hardware Transcoding, Hardware Encryption Engine | None | Synology DS425+ |
| Memory Capacity | 2 GB | 4 GB | Ubiquiti UNAS 4 |
| Apps & Virtualization | Docker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo Recognition | None | Synology DS425+ |
| Storage | Hot Swappable, M.2 as Storage Pool | None | Tie |
| Network | Link Aggregation, Wake on LAN | None | Tie |
Winner
$579.97
- + Processor: Hardware Transcoding, Hardware Encryption Engine
- + Apps & Virtualization: Docker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo Recognition
- - Price: $579.97 vs $574.99
- - Memory Capacity: 2 GB vs 4 GB
$574.99
- + Price: $574.99
- + Memory Capacity: 4 GB
- - Processor: None vs Hardware Transcoding, Hardware Encryption Engine
- - Apps & Virtualization: None vs Docker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo Recognition
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 processor and apps & virtualization.
What is the biggest difference between Synology DS425+ and Ubiquiti UNAS 4?
Price is one of the clearest differences: Synology DS425+ lists $579.97, while Ubiquiti UNAS 4 lists $574.99.
Which one looks better on price?
Synology DS425+ is listed at $579.97, while Ubiquiti UNAS 4 is listed at $574.99. Ubiquiti UNAS 4 (better spec).
Who should buy Synology DS425+?
Choose Synology DS425+ if your priority is processor and apps & virtualization 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 processor.
Spotted something wrong on this page? Tell us and we will fix it.
Our store on AmazonShop our ideas on AmazonLists of the smart home setups we would put together ourselves, ready to add to your Amazon cart.Shop on AmazonFull comparison table
Compare all 44 NAS side by side
You are looking at two of them. The full table lines up all NAS in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 44 NAS
- 61 specs compared
- 58 filters
- NAS
UNAS Pro
- NAS
TS-873A-8G
- NAS
TS-855X-8G-US
- NAS
UNAS Pro 8
- NAS
TS-462A-4G
- NAS
NASync DXP2800 GT
- NAS
NASync DXP2800
- NAS
NASync DXP4800 Pro
- NAS
NASync DXP4800 Plus
- NAS
DS223
- NAS
DS225+
- NAS
DS223j
- NAS
NASync DH2300
- NAS
NASync DXP4800 GT
- NAS
NASync DXP480T Plus
- NAS
NASync DXP6800 Plus
- NAS
TS-264-8G-US
- NAS
TS-464-8G-US
- NAS
TS-664-8G-US
- NAS
DS124
