Professional-Grade Rackmount Storage in 1U

The Ubiquiti UNAS-Pro-4 delivers enterprise-class storage performance in a compact 1U rackmount form. Equipped with four hot-swappable drive bays, dual NVMe cache slots, and dual 10G SFP+ networking, it provides low-latency, high-throughput storage for demanding professional environments. Designed for scalability, security, and reliability, the UNAS-Pro-4 is the perfect solution for high-performance file storage and sharing.

Highlights

• 1U Rackmount NAS: Space-saving form factor with four 3.5"/2.5" drive bays

• High-Speed Networking: Dual 10G SFP+ ports with MC-LAG support for redundancy and performance

• NVMe Caching: Two M.2 NVMe slots for ultra-fast read/write acceleration

• Enterprise-Grade Reliability: Power redundancy via USP-RPS and robust SGCC steel chassis

• UniFi Drive Platform: License-free storage management with cloud integrations

• Scalable and Secure: Supports enterprise backup services, SMB sharing, and access controls

Key Features

Storage and Performance

• Drive Bays: 4× 2.5"/3.5" HDD/SSD, hot-swappable

• NVMe Slots: 2× M.2 NVMe SSDs for caching and performance boost

• Processor: Quad-core ARM Cortex-A57 at 2.0 GHz with 8 GB memory

• Power Budget for Drives: Up to 125W drive support

Networking and Connectivity

• Interfaces: 2× 10G SFP+ ports (10G/1G), 1× GbE RJ45 port (1G/100M/10M)

• High-Availability Features: MC-LAG support and USP-RPS DC input for power redundancy

Hardware and Build

• Form Factor: 1U rackmount design

• Dimensions: 442.4 × 400 × 43.7 mm (17.4 × 15.7 × 1.7 inches)

• Weight: 6.7 kg (14.8 lb)

• Material: SGCC steel enclosure and mounting hardware

• Power Supply: 150W internal AC/DC, universal 100–240V input

UniFi Drive Platform

• Cloud Backup Integrations: AWS S3, Backblaze B2, Wasabi

• Directory Services: Active Directory for SMB file sharing and access control

• Advanced Cooling Control: Customizable fan profiles for Quiet, Balanced, and Cooling modes

• No License Fees: Enterprise features included with no recurring costs

Environmental and Compliance

• Operating Temperature: -5 to 40°C (23 to 104°F)

• Operating Humidity: 5–95% non-condensing

• Certifications: FCC, CE, IC

• NDAA Compliant: Approved for secure enterprise and government use

Summary / Conclusion

The Ubiquiti UNAS-Pro-4 combines compact rackmount efficiency with enterprise-class performance. Featuring 10G networking, NVMe caching, hot-swappable drives, and UniFi Drive’s powerful management platform, it delivers low-latency, scalable, and reliable storage for professional deployments. With redundant power support and license-free enterprise features, the UNAS-Pro-4 is built for organizations that demand performance without compromise.