Winner
8% OFF
$816.33
$889.99
Updated November 2026
Data from the official Synology and Ubiquiti sites.
2026 verdict
Synology DS925+ has the better all-around case than Ubiquiti UNAS 4 in 2026, starting with storage and apps & virtualization.
The comparison tilts its way because of storage and apps & virtualization, with its broader overall balance keeping it in front. Ubiquiti UNAS 4 still makes sense if price is your priority, but most buyers should still lean toward Synology DS925+. For most setups, Synology DS925+ is the smarter buy.
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 DS925+ | Ubiquiti UNAS 4 | Winner |
|---|---|---|---|
| Price | $816.33 | $574.99 | Ubiquiti UNAS 4 |
| Storage | Hot Swappable, M.2 as Storage Pool, Expansion Unit Support | None | Synology DS925+ |
| Apps & Virtualization | Docker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo Recognition | None | Synology DS925+ |
| Processor | Hardware Encryption Engine | None | Tie |
| Memory Capacity | 4 GB | 4 GB | Tie |
| Network | Link Aggregation, Wake on LAN | None | Tie |
Winner
8% OFF
$816.33
$889.99
- + Storage: Hot Swappable, M.2 as Storage Pool, Expansion Unit Support
- + Apps & Virtualization: Docker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo Recognition
- - Price: $816.33 vs $574.99
$574.99
- + Price: $574.99
- - Storage: None vs Hot Swappable, M.2 as Storage Pool, Expansion Unit Support
- - Apps & Virtualization: None vs Docker Containers, Virtual Machines, Plex Media Server, Surveillance App, AI Photo Recognition
Frequently Asked Questions
Which is better overall: Synology DS925+ or Ubiquiti UNAS 4?
Synology DS925+ has the stronger overall profile in this comparison, especially for storage and apps & virtualization.
What is the biggest difference between Synology DS925+ and Ubiquiti UNAS 4?
Price is one of the clearest differences: Synology DS925+ lists $816.33, while Ubiquiti UNAS 4 lists $574.99.
Which one looks better on price?
Synology DS925+ is listed at $816.33, while Ubiquiti UNAS 4 is listed at $574.99. Ubiquiti UNAS 4 (better spec).
Who should buy Synology DS925+?
Choose Synology DS925+ if your priority is storage 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 that matters more than storage.
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
DS425+
- 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
