Ubiquiti UNAS Pro 4 (UNAS-Pro-4) – 1U 10G Rackmount NAS with NVMe Cache

The Ubiquiti UNAS Pro 4 (UNAS-Pro-4) is a high-performance 1U rack-mount NAS designed for large-scale file storage and enterprise-grade data sharing. Equipped with (4) 2.5"/3.5" drive bays and (2) M.2 NVMe SSD cache slots, it delivers faster access speeds, lower latency, and reliable 10 Gbps networking.

With dual 10G SFP+ ports, RAID support, SSD caching, and advanced backup features, the UNAS Pro 4 is ideal for business environments requiring scalable storage, redundancy, and high availability.

Key Features

• 1U Rackmount Design: Compact enterprise-ready form factor
• 4 x 2.5"/3.5" Drive Bays: Flexible HDD or SSD storage support
• 2 x M.2 NVMe Slots: High-speed SSD cache for improved performance
• Dual 10G SFP+ Ports: High-bandwidth networking (10G only)
• GbE RJ45 Port: 1G/100M/10M Ethernet connectivity
• Power Redundancy Support: USP-RPS DC input compatible
• RAID Support: RAID 5, RAID 6, RAID 10
• NDAA Compliant: Suitable for regulated environments

Hardware Specifications

Software & Data Management

• Supported Protocols: NFS, SMB
• RAID Types: RAID 5, RAID 6, RAID 10
• SSD Cache Support: Yes (Max NVMe capacity supported: 4 TiB)
• Snapshots & File Encryption: Enabled
• Backup Options: Remote UNAS, CIFS/SMB server, Cloud services (Google Drive, OneDrive, Dropbox, Amazon S3, Backblaze B2, Wasabi)
• Time Machine Support: Yes
• User Groups & Shared Drives: Personal and shared drive support
• Client App Support: Yes

The Ubiquiti UNAS Pro 4 delivers enterprise-grade storage performance with 10G networking, RAID redundancy, NVMe acceleration, and advanced backup capabilities—making it an ideal solution for high-demand business and professional storage environments.