Buffalo TeraStation 5420RN 32TB 4-Bay Rackmount NAS Server

Overview

The Buffalo TS5420RN3204 is a four-bay rackmount NAS server designed to provide 32TB of reliable, centrally managed storage for offices, creative studios, and branch locations. It supports fast and secure access to large files, making it suitable for environments that require efficient data handling and protection. Powered by a quad-core Annapurna Labs AL524 processor running at 2.04 GHz and equipped with 8 GB of DDR4 memory, it ensures smooth file transfers even with multiple users connected simultaneously.

Key features

• Four hot-swappable 8TB drives allow easy replacement without downtime, maintaining continuous operation.
• Supports multiple RAID levels (0, 1, 5, 6, 10, and JBOD) to balance performance and data redundancy according to your needs.
• Dual 1 GbE ports and a dedicated 10 GbE port provide flexible network connectivity for everyday tasks and bandwidth-intensive applications like 4K media and virtual machine backups.
• Hardware-based 256-bit encryption protects data at rest, while two-factor authentication enhances login security.
• Snapshot backup functionality enables quick recovery from ransomware attacks or accidental deletions by restoring previous data versions.
• Integration with leading cloud services offers additional off-site backup options, improving business continuity without extra hardware.
• Two USB 3.2 and two USB 2.0 ports support external drives, UPS units, and card readers for expanded backup and storage capabilities.
• Compact 1U rackmount design fits standard server racks, saving space in equipment rooms and colocation cabinets.

Key specs

• Storage capacity: 32TB (four 8TB drives)
• Processor: Quad-core Annapurna Labs AL524, 2.04 GHz
• Memory: 8 GB DDR4 RAM
• Network interfaces: Dual 1 GbE ports, one dedicated 10 GbE port
• RAID support: Levels 0, 1, 5, 6, 10, and JBOD
• Encryption: Hardware-based 256-bit AES
• USB ports: Two USB 3.2 and two USB 2.0
• Form factor: 1U rackmount

Connectivity and compatibility

This NAS server offers versatile connectivity options to integrate smoothly into existing network environments. The dual gigabit Ethernet ports handle routine network traffic efficiently, while the dedicated 10 GbE port is ideal for high-demand workflows requiring faster data transfer speeds. USB ports allow connection of external storage devices, UPS units, or card readers, expanding backup and data management options. Its rackmount form factor ensures compatibility with standard server racks, making it easy to install in professional IT setups.

Performance and reliability

The combination of a quad-core 2.04 GHz processor and 8 GB of DDR4 memory delivers consistent performance for multi-user access and demanding applications. RAID support provides customizable data protection, allowing you to choose the best balance between speed and redundancy. Hot-swappable drives minimize downtime by enabling drive replacement without shutting down the system. Security features like hardware encryption and two-factor authentication safeguard sensitive data, while snapshot backups offer an additional layer of protection against data loss.

Ideal uses and environments

The Buffalo TS5420RN3204 fits well in small to medium-sized businesses, creative studios, and branch offices that require centralized storage with robust security and fast access. It is particularly suited for teams working with large files such as CAD projects, 4K video editing, or virtual machine backups. Its compact rackmount design and flexible connectivity make it a strong choice for IT environments where space is limited but reliable, high-speed storage is essential.