Description

High-performance storage, simplified and ready to scale.

The UniFi Network Attached Storage UNAS 4 is a 4-bay NAS designed to deliver high performance, large capacity, and simple centralized management within the UniFi ecosystem.
Featuring M.2 NVMe cache support, 2.5 GbE networking, and PoE+++ power with included adapter, it is an elegant and powerful storage solution for professional environments.

Available in black or white, it fits seamlessly into modern offices and studios.

🌟 Key Benefits

🚀 Accelerated Performance with M.2 NVMe Cache

The two M.2 NVMe slots allow SSDs to be used as cache, significantly accelerating access to frequently used data.
Benefits include:

• Reduced latency

• Improved multi-user performance

• Faster response for demanding workloads

🌐 2.5 GbE Multi-Gigabit Networking

The 2.5 Gigabit Ethernet port delivers up to 2.5× the throughput of standard Gigabit Ethernet, ideal for:

• Fast backups

• Working directly from large network files

• High-resolution media access

🛡️ High Capacity with Data Redundancy

With 4 bays for 2.5" or 3.5" drives, the UNAS 4 supports flexible configurations:

• RAID 1, 5, or 10 for data protection

• Maximum capacity setups

• Balanced performance and redundancy

Protect critical data without sacrificing speed.

⚡ Simplified Power with PoE+++

The UNAS 4 can be powered entirely via PoE+++, using a single Ethernet cable for data and power.
A 90 W PoE+++ adapter is included, enabling clean, flexible installations without nearby power outlets.

🎯 Ideal For

• Small and medium offices and workgroups

• Content creators and video professionals

• Environments requiring NVMe cache + 2.5 GbE performance

• UniFi users seeking clean deployment and centralized management

🧾 Technical Specifications

General & Capacity

• Type: Network Attached Storage (NAS)

• Form factor: Desktop

• Drive bays:

  • 4 × 2.5" / 3.5" drive bays

  • 2 × M.2 NVMe slots

Processing & Memory

• Processor: Quad-core ARM® Cortex®-A55 @ 1.7 GHz

• RAM: 4 GB

Hardware & Ports

• Network interface: 1 × 2.5 GbE RJ45

• Expansion port: 1 × USB-C (5 Gbps)

• Display: 1.47" color LCM

Power

• Power method: PoE+++

• Included power source: 90 W PoE+++ adapter

• Maximum power consumption: 90 W

Mechanical & Environment

• Dimensions: 246 × 129 × 224.5 mm

• Weight: 2.6 kg

• Enclosure material: Polycarbonate

• Operating temperature: -5°C to +40°C

• NDAA compliance: Yes