Description & Specifications
The Ubiquiti UniFi UNAS 4 is a compact 4-bay Network Attached Storage (NAS) designed for homes, professional users, and small businesses that want fast, private local storage integrated with the UniFi ecosystem. With four drive bays, dual M.2 NVMe SSD slots, 2.5GbE networking, USB-C expansion, and PoE+++ power, the UNAS 4 delivers capable multi-client storage in a space-saving desktop design.
Key Features:
- 4-Bay Storage: Supports four 2.5-inch or 3.5-inch drives for flexible high-capacity network storage.
- Dual M.2 NVMe Slots: Two M.2 NVMe SSD slots support SSD caching to accelerate frequently accessed data.
- 2.5GbE Networking: Integrated 2.5GbE RJ45 connectivity provides high-speed network access for multiple clients.
- PoE+++ Powered: Enables a streamlined power and network deployment.
- USB-C Expansion: Front-facing 5Gbps USB-C connectivity supports compatible external USB storage.
- RAID Data Protection: Supports RAID 5, RAID 6, and RAID 10 configurations.
- UniFi Drive: Provides intuitive management of personal and shared storage, snapshots, encryption, user access, and backups.
Specifications:
| Model | UNAS-4 |
| Processor | Quad-Core ARM Cortex-A55 at 1.7GHz |
| Memory | 4GB |
| Drive Bays | 4 x 2.5/3.5-inch HDD |
| M.2 NVMe Slots | 2 |
| RAID | RAID 5 / RAID 6 / RAID 10 |
| Network | 1 x 2.5GbE RJ45 |
| Expansion | 1 x USB-C 5Gbps |
| File Protocols | SMB, NFS |
| Power | PoE+++ |
| Form Factor | Desktop |
With four drive bays, NVMe SSD caching, 2.5GbE networking and the simplicity of UniFi Drive, the UNAS 4 provides an attractive private storage solution for users who want more capacity and RAID flexibility without moving to a rack-mounted NAS.
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