Buffalo TeraStation 51220RH 80TB 12-Bay NAS Server

Overview

The Buffalo TS51220RH8004 is a rackmount network attached storage (NAS) server designed to deliver high capacity, robust performance, and strong data protection for demanding team environments. Equipped with 80TB of raw storage across twelve drive bays, it serves as a central hub for file sharing, backups, and large media projects while allowing room for future expansion. Powered by a quad-core Annapurna Labs AL524 processor and 16 GB of DDR4 memory, it maintains high throughput and low latency to support intensive workloads.

Key features

• Rackmount design with twelve bays provides ample storage and easy integration into standard server racks.
• Hot-swappable drive trays enable drive replacement or upgrades without interrupting ongoing operations.
• Flexible RAID configurations (0, 1, 5, 6, 10, JBOD) allow customization of data protection and performance to match specific needs.
• Dual 1 GbE and dual 10 GbE network ports offer versatile connectivity options, supporting both everyday traffic and high-bandwidth tasks.
• 256-bit AES encryption safeguards stored data, ensuring sensitive information remains protected at rest.
• Snapshot technology allows quick recovery from accidental deletions or ransomware attacks by restoring data to a previous state.
• Seamless integration with cloud services like Dropbox and Microsoft Azure facilitates off-site replication and hybrid storage workflows.

Key specs

• Storage capacity: 80 TB raw, with twelve drive bays for expansion
• Processor: Quad-core Annapurna Labs AL524
• Memory: 16 GB DDR4
• Network interfaces: Two 1 GbE ports and two 10 GbE ports
• RAID support: 0, 1, 5, 6, 10, JBOD
• Encryption: 256-bit AES
• Drive type: Enterprise-grade 20 TB hard drives (four pre-installed)

Connectivity and compatibility

This NAS server supports multiple network speeds to accommodate varying data transfer demands. The combination of 1 GbE and 10 GbE ports ensures compatibility with existing network infrastructure while providing the option to upgrade bandwidth for intensive tasks such as virtual machine backups or large media file transfers. Its rackmount form factor fits standard server racks, making it suitable for IT environments and data centers.

Performance and reliability

The quad-core processor paired with 16 GB of DDR4 memory delivers consistent performance for multitasking and heavy workloads. Hot-swappable drives and flexible RAID options enhance uptime and data integrity, allowing administrators to maintain and upgrade the system without disrupting operations. Snapshot technology adds an extra layer of data protection by enabling fast recovery from errors or security incidents.

Ideal uses and environments

This TeraStation model is well suited to small and mid-size offices, creative teams handling high-resolution video projects, law firms managing sensitive client data, and IT departments requiring a reliable backup target for virtual machines. Its scalable design and robust security features make it a strong choice for organizations that need dependable storage that grows alongside their business.