UNAS 4
UNAS-4-B
$379.00
Shipping Q4 2025












UNAS 4
UNAS-4-B
$379.00
Shipping Q4 2025
UniFi Network Attached Storage with (4) 2.5/3.5" HDD bays, (2) M.2 NVMe SSD cache slots, 2.5 GbE networking, USB-C connectivity, and an included PoE+++ adapter, all in a compact footprint.
Color: Black
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Dimensions
246 x 129 x 224.5 mm
(9.7 x 5.1 x 8.8")
Storage Capacity
(4) 3.5" drive bays
(2) M.2 NVMe bays
Networking Interface
(1) 2.5 GbE RJ45 (2.5G/1G/100M/10M)
Expansion Port
(1) 5 Gbps USB-C
Form Factor
Desktop
Hard Drive Capacity
(4) 2.5" / 3.5" HDD support
(2) M.2 NVMe SSD support
Max. Power Budget for Drives
80W
Max. Power Consumption
90W
Power Method
PoE+++
Power Supply
90W PoE+++ adapter (Included)
Processor
Quad-Core ARM® Cortex®-A55 at 1.7 GHz
Memory
4 GB
Management
Ethernet
RF Interface
Bluetooth 4.1
Display
1.47" color LCM
Weight
2.6 kg (5.7 lb)
Enclosure Material
Polycarbonate
LEDs
System
✓
Ambient Operating Temperature
-5 to 40° C (23 to 104° F)
Ambient Operating Humidity
10 to 90% noncondensing
NDAA Compliant
✓
Certifications
FCC, CE, IC