Ubiquiti ENAS Enterprise NAS 16-Bay 25Gbps 3U Rackmount NAS
Enterprise Storage Built for Scalable Local Data Control Designed for organizations that need high-performance private storage without complex licensing overhead, this 3U rackmount NAS delivers...
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Enterprise Storage Built for Scalable Local Data Control
Designed for organizations that need high-performance private storage without complex licensing overhead, this 3U rackmount NAS delivers ZFS-based protection, high-speed networking, NVMe caching, and flexible expansion. The Ubiquiti ENAS Enterprise NAS 16-Bay 25Gbps 3U Rackmount NAS provides scalable file, backup, and block storage for modern business infrastructure.
Highlights
Enterprise-Class Storage Architecture
• Native ZFS for advanced storage protection
• Eight-Core ARM N2 processor for demanding workloads
• 64 GB ECC memory for enhanced data integrity
• Dual M.2 NVMe bays for SSD cache acceleration
High-Speed Network Connectivity
• Dual 25G SFP28 ports supporting 25G, 10G, and 1G
• One 10 GbE RJ45 port supporting 10G, 5G, 2.5G, 1G, and 100M
• Designed for high-performance file access, backup, and shared storage workloads
Scalable 16-Bay Rackmount Design
• 16 bays supporting 2.5 inch and 3.5 inch HDD or SSD
• Two SFF-8644 expansion ports for storage expansion
• Supports more than one petabyte of raw storage based on expansion planning
• 3U rackmount chassis for enterprise rack deployment
UniFi-Based License-Free Management
• Centralized management through UniFi
• No licensing fees or feature unlocks stated
• Supports user groups, personal drives, shared drives, share links, snapshots, and client app access
Key Features
Ubiquiti ENAS Enterprise NAS 16-Bay 25Gbps 3U Rackmount NAS
• 3U rackmount NAS for scalable enterprise storage deployments
• Built on ZFS for resilient storage architecture
• 16 x 2.5 inch or 3.5 inch SATA drive bays
• 2 x M.2 NVMe SSD bays for SSD cache
• Dual hot-swappable 550 W AC/DC power modules
Flexible Storage and RAID Options
• Supports Mirror, RAID-Z1, RAID-Z2, and RAID-Z3
• Supports multiple RAID groups
• Hot spare support for storage resilience
• File encryption support for protected data storage
• Maximum supported NVMe SSD capacity: 8 TiB
File, Backup, and Block Storage
• Supports SMB and NFS file protocols
• Supports iSCSI block protocol for shared storage
• Supports Time Machine backup
• Supports backup to remote UNAS
• Supports backup to CIFS/SMB server
• Supports backup to cloud services including Google Drive, OneDrive, Dropbox, Amazon S3, Backblaze B2, and Wasabi
Virtualization-Ready Shared Storage
• Native iSCSI support through UniFi Drive
• Designed for shared block storage use cases
• Supports deployment with Proxmox, VMware, and Hyper-V clusters based on the provided source text
• Suitable for centralized storage supporting multiple compute servers and live migration workflows
Secure Access and Collaboration
• Integrates with existing identity providers
• Supports role-based folder permissions
• Provides native secure access through UniFi Endpoint on desktop and mobile platforms
• Enables personal drive and shared drive access for users and teams
Centralized Backup Orchestration
• Supports snapshot capabilities
• Supports remote, server, and cloud backup destinations
• Centralized backup orchestration across sites through UniFi Fabrics and Site Manager is noted as coming soon
• Designed to improve disaster recovery readiness across distributed environments
Hardware and Deployment Design
• Dimensions: 481.4 x 480 x 132 mm
• Weight: 16.1 kg
• Maximum power consumption: 550 W
• Maximum power budget for drives: 450 W
• Enclosure and mount material: SGCC steel
• Management through Ethernet
• Bluetooth 4.1 RF interface
• Rails support 600 mm four-post racks with square holes and post depths from 600 to 1066 mm
Operating Environment and Compliance
• Operating temperature: -5 to 40°C
• Operating humidity: 5 to 95 percent non-condensing
• NDAA compliant
• Certified with FCC, CE, and IC
Summary / Conclusion
The Ubiquiti ENAS Enterprise NAS 16-Bay 25Gbps 3U Rackmount NAS is designed for businesses that need scalable, high-performance local storage with modern management and flexible expansion. With native ZFS, 16 SATA drive bays, dual 25G SFP28 networking, 10 GbE RJ45, NVMe SSD cache support, iSCSI, snapshots, backup options, redundant power, and UniFi-based management, it provides a strong foundation for enterprise file storage, backup, virtualization, and multi-site data protection planning.
Ubiquiti ENAS Enterprise NAS 16-Bay 25Gbps 3U Rackmount NAS
The Ubiquiti ENAS Enterprise NAS is a 16-bay 3U rackmount NAS designed for enterprise storage, backup, file sharing, and virtualization workloads. It combines ZFS-based storage, 64 GB ECC memory, dual 25G SFP28 connectivity, M.2 NVMe SSD cache support, and redundant hot-swappable power for scalable high-performance deployments.
Product Specifications
| Specification name | Specification details |
|---|---|
| Overview | |
| Product Type | Enterprise 3U rackmount NAS |
| Model | ENAS |
| Brand | Ubiquiti |
| Form Factor | 3U rackmount |
| Storage Architecture | ZFS |
| Use Case | Enterprise file storage, backup, virtualization shared storage, centralized business data management |
| Storage | |
| Drive Bays | 16 × 2.5 inch or 3.5 inch SATA HDD SSD bays |
| M.2 NVMe Bays | 2 |
| Hard Drive Support | 16 × 2.5 inch or 3.5 inch HDD SSD |
| M.2 SSD Support | 2 × M.2 NVMe SSD |
| Expansion Support | 2 × expansion ports |
| Max NVMe SSD Capacity Supported | 8 TiB |
| Max Power Budget for Drives | 450W |
| Networking | |
| 25G SFP28 Ports | 2 ports, supports 25G, 10G, 1G |
| 10GbE RJ45 Port | 1 port, supports 10G, 5G, 2.5G, 1G, 100M |
| Expansion Port | 2 × SFF-8644 24G |
| Processor and Memory | |
| Processor | Eight-core ARM N2 at 2.4 GHz |
| Memory | 64 GB |
| Software | |
| Supported File Protocols | NFS, SMB |
| Supported Block Protocols | iSCSI |
| RAID Type | Mirror, RAID-Z1, RAID-Z2, RAID-Z3 |
| RAID Group | Multiple |
| Hot Spare Support | Yes |
| Personal Drive and Shared Drive | Yes |
| SSD Cache | Yes |
| File Encryption | Yes |
| Backup Support | Backup to remote UNAS, backup to CIFS SMB server |
| Cloud Backup Support | Google Drive, OneDrive, Dropbox, Amazon S3, Backblaze B2, Wasabi |
| Snapshots | Yes |
| Share Links | Yes |
| Time Machine Backup | Yes |
| Client App Support | Yes |
| User Groups | Yes |
| Hardware | |
| Dimensions | 481.4 × 480 × 132 mm (19 × 18.9 × 5.2 in) |
| Weight | 16.1 kg (35.5 lb) |
| Enclosure Material | SGCC steel |
| Mount Material | SGCC steel |
| Supported Rack Depth | Supports 600 mm (23.6 in) four-post racks with 9.5 × 9.5 mm square holes and post depths from 600 to 1066 mm (23.6 to 42 in) |
| Management | Ethernet |
| RF Interface | Bluetooth 4.1 |
| LEDs | Ethernet, SFP28, HDD, system, expansion port, CRPS |
| Power | |
| Power Method | 2 × AC input, hot-swappable power modules |
| Power Supply | 2 × hot-swappable AC/DC 550W power modules |
| Power Redundancy | Yes |
| Max Power Consumption | 550W |
| Environmental | |
| Operating Temperature | -5°C to 40°C (23°F to 104°F) |
| Operating Humidity | 5% to 95% non-condensing |
| Certifications | |
| NDAA Compliant | Yes |
| Certifications | FCC, CE, IC |