UniFi Drive storage
UNAS Pro 4
1U rack box, four drives. Four bays, two NVMe, two 10G ports, 1U. The sharp rack pick.
$771 all-inCAD, the checkout number, updated daily

Where it sits
One below, this one, one above.
THIS ONE
UNAS Pro 4
$771 all-in
Four bays, two NVMe, two 10G ports, 1U. The sharp rack pick.
Over the UNAS Pro you get: two NVMe slots, two 10G ports, in 1U, for the same price, but four bays instead of seven.
The UNAS Pro 8 adds: eight bays, 16 GB, dual hot swap power supplies and a 10G copper port.
GOOD FOR
- Two 10G fibre ports. Two NVMe slots. Only 1U.
- Backup power input.
KNOW BEFORE YOU BUY
- Four bays. If you will fill them, go to the Pro 8.
What it needs
To make it work.
Drives, a rack, a 10G port and a wall socket.
The numbers
Full specs.
| Drive bays | (4) 2.5/3.5" drive bays, (2) M.2 NVMe bays |
|---|---|
| Drive power budget | 125 |
| Network | (2) 10G SFP+ (10G only) (1) GbE RJ45 (1G/100M/10M) |
| RAID | RAID 5 / RAID 6 / RAID 10; single RAID group |
| Max NVMe | 4 TiB |
| Processor | Quad-Core ARM Cortex-A57 at 2.0 GHz |
| Memory | 8 GB |
| Form | Rack mount (1U) |
| Power | (1) Universal AC input, 100-240V AC, 3A Max., 50/60 Hz (1) USP-RPS DC input, 11.5V DC, 13.91A |
| Power supply | AC/DC, internal, 150W |
| Max power draw | 150 W |
| Size | 442.4 x 400 x 43.7 mm (17.4 x 15.7 x 1.7") |
| Weight | 6.7 kg (14.8 lb) |
| Operating temperature | -5 to 40° C (23 to 104° F) |
| NDAA compliant | Yes |
Source: techspecs.ui.com, verified 2026-09-12. Model UNAS-Pro-4.
Keep reading
All UniFi storage compared
Recording and storage installs
Recorders compared
Switches compared
Every UniFi price, one list
Want it installed?
We fit the drives, build the RAID, set up shares and backups. Book a design assessment and the fee comes off the install.
