The Ubiquiti UNAS-4 redefines network-based storage with exceptional performance, modular scalability, and full integration into the UniFi platform. Ubiquiti UNAS-4 is designed for professionals who demand both speed and simplicity, this 4-bay NAS delivers secure centralized storage and seamless management via UniFi Drive.
Ubiquiti UNAS-4 comes with four 3.5″/2.5″ HDD bays and two M.2 NVMe SSD cache slots, the UNAS-4 provides flexible configurations for high-capacity storage and accelerated caching performance. The 2.5 GbE RJ45 port ensures ultra-fast network throughput, while the 5 Gbps USB-C port supports quick data transfer or external device expansion.
Ubiquiti UNAS-4 is powered by a Quad-Core ARM Cortex-A55 processor (1.7 GHz) and 4 GB of memory, the UNAS-4 is engineered for multi-user workloads — from file sharing and backup to media streaming and virtualization. Its 1.47″ color LCM display provides real-time system information and operational feedback at a glance.
A major highlight is its PoE+++ power design, which delivers clean, cable-free operation while maintaining high efficiency. The included 90 W PoE+++ adapter supplies up to 80 W for drives and system power, eliminating clutter and simplifying deployment.
Ubiquiti UNAS-4 is built with a durable polycarbonate enclosure, the UNAS-4 maintains a compact desktop form factor, allowing easy placement in office setups, edge networks, or home labs. Fully NDAA-compliant and certified for FCC, CE, and IC, it offers reliable performance under varied environments (-5 °C to 40 °C).
Whether used as a local file server, media backup hub, or part of a larger UniFi deployment, the Ubiquiti UNAS-4 delivers professional-grade storage efficiency and seamless network integration in a minimalist, powerful package.
Key Features:
Brand: Ubiquiti
Model: UNAS-4
Drive Bays: (4) 2.5″/3.5″ HDD slots for scalable storage
SSD Cache: (2) M.2 NVMe slots for cache acceleration
Networking: (1) 2.5 GbE RJ45 port (2.5G/1G/100M/10M)
Expansion Port: (1) 5 Gbps USB-C for external drives or peripherals
Processor: Quad-Core ARM Cortex-A55 @ 1.7 GHz
Memory: 4 GB RAM
Power Method: PoE+++ (90 W adapter included)
Max Power Consumption: 90 W total; 80 W drive power budget
Display: 1.47″ color LCM for status and monitoring
Management: UniFi Drive (3.1.7+), UniFi mobile apps for iOS & Android
Connectivity: Ethernet & Bluetooth 4.1
Enclosure: Durable polycarbonate body, desktop design
Operating Temperature: –5 °C to 40 °C (23 °F to 104 °F)
Humidity: 10 % to 90 % non-condensing
Dimensions: 246 × 129 × 224.5 mm (9.7 × 5.1 × 8.8″)
Weight: 2.6 kg (5.7 lb)
Certifications: FCC, CE, IC, NDAA Compliant

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