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Manufacturer's photos. Where a power lead is pictured, an AU one is provided.
SKU:
UNAS-4-B
UNAS-4-B Ubiquiti UniFi UNAS 4 (Black)
$984.50 AUD
Unit price
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Description
Description
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.
Click HERE to access the Datasheet
Specifications25 specifications · 3 sections
| Overview | |
|---|---|
| Dimensions | 246 x 129 x 224.5 mm / (9.7 x 5.1 x 8.8") |
| Storage Capacity | (4) 2.5"/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 |
| Hardware | |
| 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 |
| Ambient Operating Temperature | -5 to 40° C (23 to 104° F) |
| Ambient Operating Humidity | 10 to 90% noncondensing |
| Certifications | FCC, CE, IC |
| Software | |
| Application Requirements · UniFi Drive | Version 3.4.5 and later |
| Application Requirements · Mobile App | iOS™ version 10.32.1 and later / Android™ version 10.35.1 and later |
| Supported features on unifi.ui.com · RAID Type | RAID 5 / RAID 6 / RAID 10 |
| Supported features on unifi.ui.com · RAID Group | Single |
| Supported features on unifi.ui.com · Max. NVMe SSD Capacity Supported | 2 TiB |
Source: Ubiquiti technical specifications, checked 6 Nov 2026.Model UNAS-4-B · Ubiquiti's spec sheet
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