Buffalo TeraStation 5420RN 48TB 4-Bay Rackmount NAS Server

Overview

The Buffalo TS5420RN4804 is a 4-bay rackmount network attached storage (NAS) server designed to provide reliable data protection and ample storage capacity for growing organizations. Equipped with four pre-installed 12TB hard drives, it offers 48TB of raw storage that can be configured in various RAID levels to balance performance and redundancy. Powered by a 2.04 GHz Annapurna Labs AL524 processor and 8 GB of DDR4 memory, this NAS handles multiple simultaneous file requests, backups, and media streams efficiently, making it suitable for demanding office environments, creative studios, and remote sites.

Key features

• Hot-swappable drive bays enable easy replacement or upgrades without interrupting system operation
• Multiple RAID options (0, 1, 5, 6, 10, JBOD) allow customization of data protection and performance
• Dual 1 GbE ports combined with a 10 GbE port provide fast network connectivity and future-proofing
• 256-bit AES encryption and optional two-factor authentication enhance data security and compliance
• Seamless integration with cloud services like Dropbox and Amazon S3 supports hybrid storage workflows
• Compatibility with popular virtualization platforms allows use as shared storage or backup target for virtual machines

Key specs

• Storage capacity: 48TB (four 12TB drives)
• Processor: 2.04 GHz Annapurna Labs AL524
• Memory: 8 GB DDR4
• Network interfaces: dual 1 GbE ports, one 10 GbE port
• RAID support: 0, 1, 5, 6, 10, JBOD
• Encryption: 256-bit AES

Connectivity and compatibility

This NAS server offers versatile network connectivity options to fit into modern IT infrastructures. The dual 1 GbE ports ensure reliable standard network access, while the 10 GbE port supports high-speed data transfers for bandwidth-intensive tasks. Its native support for cloud services like Dropbox and Amazon S3 enables easy off-site backups and hybrid storage setups. Additionally, the device integrates well with virtualization environments, making it a flexible choice for shared storage or backup in virtualized data centers.

Performance and reliability

The combination of a 2.04 GHz Annapurna Labs processor and 8 GB of DDR4 memory allows the TeraStation to manage multiple users and heavy workloads without slowing down. Hot-swappable drive bays minimize downtime during maintenance or upgrades, ensuring continuous availability. The range of RAID configurations lets you tailor the balance between speed and data protection to your specific needs, while 256-bit AES encryption and optional two-factor authentication protect sensitive information against unauthorized access.

Ideal uses and environments

This NAS server fits well in office settings that require a centralized file repository accessible by multiple users. Creative professionals working with large media files will benefit from its high capacity and fast network options. Remote or branch offices can rely on its secure data replication and cloud integration to maintain business continuity. Overall, it is a strong choice for organizations seeking scalable, secure, and high-performance storage solutions that adapt to evolving demands.