Ubiquiti UniFi 4-bay Network Attached Storage (NAS), 2.5 GbE, USB-C, black finish

Ubiquiti UniFi UNAS 4 — A Powerful NAS for High-Speed ​​Networks

For users seeking reliable, high-capacity, and high-speed network-attached storage, the Ubiquiti UniFi UNAS 4 is an ideal choice. This compact NAS features four bays for 2.5/3.5” SATA III drives and two M.2 NVMe slots for caching or tiering, ensuring both flexibility and rapid data access. Equipped with a 2.5 GbE RJ45 port (supporting speeds up to 2.5 Gbps) and PoE+++ power support, the device handles both data transmission and power delivery via a single cable—making it perfect for modern data centers and home servers. A color 1.47” LCM display allows for easy system monitoring. ### Fast and Flexible Storage The Ubiquiti UniFi UNAS 4 supports up to four 2.5/3.5” HDDs or SSDs, combined with two M.2 NVMe slots that can be used for caching or tiering. This allows users to tailor the configuration to their specific needs, whether the priority is capacity or performance. The hot-swap feature enables easy drive replacement without powering down the device, which is ideal for minimizing downtime.

Performance and Connectivity

The device is equipped with a quad-core 1.7 GHz ARM Cortex-A55 processor and 4 GB of LPDDR4 memory, providing ample power for rapid task processing and seamless data transfer. Connectivity is provided via a 2.5 GbE RJ45 port —compatible with speeds ranging from 10 Mbps to 2.5 Gbps—ensuring high-speed access for demanding applications. A USB-C port (USB 3.2 Gen 1) is also available, supporting transfer speeds of up to 5 Gbps.

Energy Efficiency and Easy Installation

With support for PoE+++ (802.3bt Type 4), the device combines power delivery and data transmission into a single cable, simplifying installation and reducing cable clutter. A 90W PoE+++ adapter is included, providing sufficient power for both the unit and the installed drives. The device has a maximum power consumption of 90 W, with 80 W allocated to the drives, ensuring efficient operation without... compromises.

Technical Specifications

• Drive bays: 4 × 2.5/3.5” SATA III (hot-swap), 2 × M.2 NVMe (cache/tiering)
• Processor: Quad-Core ARM Cortex-A55 @ 1.7 GHz
• Memory: 4 GB LPDDR4
• Network interface: 1 × 2.5 GbE RJ45 (2.5G/1G/100M/10M)
• Data ports: 1 × USB-C (USB 3.2 Gen 1, 5 Gb/s)
• Power supply: PoE+++ (802.3bt Type 4), 90W adapter included
• Display: 1.47” color LCM (system status, temperature, IP address)
• Dimensions: 246 × 129 × 224.5 mm
• Weight: 2.6 kg
• Operating temperature: -5 to +40 °C, 10-90% RH (non-condensing)
• Chassis material: Polycarbonate, black or white
• Certifications: FCC, CE, IC, NDAA Compliant