UniFi Drive storage

UNAS 4

Desktop box, four drives. Four drives and two NVMe slots. The small office box.

$588 all-inCAD, the checkout number, updated daily

Book a design assessmentCall (587) 858-4888
Ubiquiti UNAS 4
Where it sits

One below, this one, one above.

ONE DOWN

UNAS 2

$307 all-in

Two mirrored drives on a shelf. Runs off a PoE port.

THIS ONE

UNAS 4

$588 all-in

Four drives and two NVMe slots. The small office box.

ONE UP

UNAS Pro

$771 all-in

Seven bays in a rack, 10G, backup power. The first rack model.

Over the UNAS 2 you get: four bays, two NVMe slots for cache, RAID 5 or 6, so more space per drive.

The UNAS Pro adds: seven bays, 10G, a rack case and a backup power input.

See the whole line side by side

GOOD FOR
  • RAID 5 or 6. One or two drives can fail and you lose nothing.
  • NVMe slots speed up the busy files.
KNOW BEFORE YOU BUY
  • Still 2.5G. Still no backup power input.
  • Needs the 90 W PoE adapter or a PoE+++ port.
What it needs

To make it work.

Four drives and a PoE+++ port, or the adapter in the box.

Recorders comparedSwitches comparedGateways compared
The numbers

Full specs.

Drive bays(4) 2.5"/3.5" drive bays, (2) M.2 NVMe bays
Drive power budget80
Network(1) 2.5 GbE RJ45 (2.5G/1G/100M/10M)
Expansion(1) 5 Gbps USB-C
RAIDRAID 5 / RAID 6 / RAID 10; single RAID group
Max NVMe2 TiB
ProcessorQuad-Core ARM Cortex-A55 at 1.7 GHz
Memory4 GB
FormDesktop
PowerPoE+++
Power supply90W PoE+++ adapter (Included)
Max power draw90 W
Size246 x 129 x 224.5 mm (9.7 x 5.1 x 8.8")
Weight2.6 kg (5.7 lb)
Operating temperature-5 to 40° C (23 to 104° F)
NDAA compliantYes

Source: techspecs.ui.com, verified 2026-09-12. Model UNAS-4.

Keep reading
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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.

Book a design assessmentCall (587) 858-4888