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Ubiquiti UNAS-PRO-4 NAS Storage System - ARM Cortex A57 2 GHz Quad-core - 4 HDD Bays - 4 TB SSD Capacity - 10GbE - 1U Rackmount
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Product Features
Technical Overview
The UNAS-PRO-4 is built around a quad-core ARM Cortex A57 CPU running at 2 GHz, paired with 8 GB of RAM to handle file sharing, backups, and virtualized workloads. The system supports RAID levels 5, 6, and 10, providing data redundancy and performance optimization depending on your needs.
Network connectivity is robust, featuring one RJ-45 port supporting both 10 Gigabit Ethernet and Gigabit Ethernet for high-speed data transfers. Two SFP+ expansion slots allow additional networking or storage connectivity. The unit includes a 150 W redundant power supply for uptime reliability, and it supports NFS and SMB protocols for seamless integration into mixed environments.
This section brings together practical product details such as Number of Hard Drives Supported, Number of Solid State Drive Supported, Total Solid State Drive Capacity Supported, Processor Manufacturer, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The UNAS-PRO-4 combines compact 1U density with enterprise-class features. Its quad-core ARM processor ensures responsive file serving and application performance, while the redundant power supply guarantees continuous operation in critical environments.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Storage Flexibility, Data Protection, High-Speed Connectivity.
Storage Flexibility
Support for up to 4 HDDs and 6 SSDs (4 TB SSD capacity) allows tiered storage strategies, balancing capacity and speed.
Data Protection
RAID 5, 6, and 10 provide fault tolerance and performance options, safeguarding data against drive failures.
High-Speed Connectivity
Built-in 10 Gigabit Ethernet ensures fast network throughput for large file transfers and backup jobs.
Deployment / Use Cases
The UNAS-PRO-4 is well-suited for small to medium businesses, remote offices, and enterprise edge deployments. Its 1U rackmount design fits neatly into standard server racks, and the hot-swappable drive bays simplify maintenance.
Typical use cases include centralized file storage and sharing via SMB/NFS, backup targets for servers and workstations, and media storage for surveillance or content creation. The dual SFP+ slots allow direct connection to high-speed switches or additional storage arrays for expanded capacity.
This section brings together practical product details such as Number of Hard Drives Supported, Number of Solid State Drive Supported, Total Solid State Drive Capacity Supported, Processor Manufacturer, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Centralized File Storage
Consolidate scattered data into a single, network-accessible repository with user permissions and protocol support.
Backup and Disaster Recovery
Leverage RAID protection and schedule backups to the UNAS-PRO-4 for reliable data recovery.
Physical Profile
The Ubiquiti UNAS-PRO-4 occupies just 1U of rack space, with a weight of approximately 14.77 lb (6.7 kg). Its rack-mountable chassis is designed for easy installation in standard 19-inch racks, and the front access panels provide convenient drive bay and status LED visibility.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1U, 14.77 lb (6700 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Height
- 1U
- Weight
- 14.77 lb (6700 g)
Highlights
- ARM Cortex A57 quad-core 2 GHz processor for efficient data processing
- 8 GB standard memory for smooth multitasking and file serving
- 4 x 2.5"/3.5" drive bays for flexible HDD/SSD storage
- Supports up to 6 SSDs with a total capacity of 4 TB
- RAID levels 5, 6, and 10 for data redundancy and performance
- 1 x 10 Gigabit Ethernet/Gigabit Ethernet RJ-45 port for high-speed networking
- 2 x SFP+ expansion slots for additional connectivity
- Redundant 150 W power supply for maximum uptime
- 1U rack-mountable form factor for space-saving deployment
- Supports NFS and SMB protocols for easy integration
Specifications
| Specifications | |
|---|---|
| Manufacturer | Ubiquiti Inc. |
| Manufacturer Part Number | UNAS-Pro-4 |
| Brand Name | Ubiquiti |
| Product Line | UNAS |
| Product Model | UNAS-Pro-4 |
| Product Name | UNAS-PRO-4 NAS Storage System |
| Product Type | NAS Storage System |
| Storage | |
| Number of Hard Drives Supported | 4 |
| Number of Solid State Drive Supported | 6 |
| Total Solid State Drive Capacity Supported | 4 TB |
| Processor & Chipset | |
| Processor Manufacturer | ARM |
| Processor Type | Cortex A57 |
| Processor Core | Quad-core (4 Core) |
| Processor Speed | 2 GHz |
| Memory | |
| Standard Memory | 8 GB |
| Network & Communication | |
| Ethernet Technology | 10 Gigabit Ethernet,Gigabit Ethernet |
| I/O Expansions | |
| Number of Total Expansion Bays | 4 |
| Number of 2.5"/3.5" Bays | 4 |
| Total Number of Expansion Slots | 2 |
| Expansion Slot Type | SFP+ |
| Controllers | |
| RAID Supported | Yes |
| RAID Levels | 5, 6, 10 |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Management & Protocols | |
| Protocols | NFS,SMB |
| Power Description | |
| Maximum Power Supply Wattage | 150 W |
| Redundant Power Supply | Yes |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Rack Height | 1U |
| Weight (Approximate) | 14.77 lb (6700 g) |
FAQ
What processor does the Ubiquiti UNAS-PRO-4 use?
The UNAS-PRO-4 is powered by an ARM Cortex A57 quad-core processor clocked at 2 GHz. This CPU provides efficient performance for file serving, backups, and light virtualization, balancing power consumption with processing capability for business NAS workloads.
How much memory does the UNAS-PRO-4 have?
The UNAS-PRO-4 comes with 8 GB of standard memory. This is sufficient for typical NAS operations including file sharing, RAID management, and running network protocols like SMB and NFS, supporting multiple simultaneous client connections.
What RAID levels are supported?
The UNAS-PRO-4 supports RAID levels 5, 6, and 10. RAID 5 offers single-drive fault tolerance with efficient storage use, RAID 6 provides dual-drive protection, and RAID 10 combines mirroring and striping for performance and redundancy.
What types of drives can be installed?
The NAS has four bays that accept both 2.5-inch and 3.5-inch hard drives or SSDs. Additionally, the system supports up to six solid-state drives with a total SSD capacity of 4 TB, allowing mixed storage configurations for performance or capacity.
What network connectivity options are available?
The UNAS-PRO-4 includes one RJ-45 port that supports both 10 Gigabit Ethernet and Gigabit Ethernet, enabling high-speed data transfers. It also has two SFP+ expansion slots for additional networking, such as fiber connections or direct-attach storage links.
Is the power supply redundant?
Yes, the UNAS-PRO-4 includes a redundant 150 W power supply. This ensures continuous operation even if one power supply unit fails, making it suitable for mission-critical environments where uptime is essential.
What processor or CPU is listed for this server or storage platform?
This product uses the ARM processor for everyday performance and multitasking.
What processor speed is listed?
This product uses the 2 GHz processor for everyday performance and multitasking.
| Qty | Price | Available |
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