Buffalo TeraStation 5420RN 80TB 4-Bay Rackmount NAS Server

Overview

The Buffalo TS5420RN8004 is a rackmount network attached storage (NAS) server designed to provide 80 TB of reliable on-premises storage for teams and businesses. Equipped with four 20 TB hot-swappable drives, it supports continuous operation even during drive replacements or upgrades. Powered by a 2.04 GHz Annapurna Labs AL524 processor and 8 GB of DDR4 memory, this NAS handles file transfers and backups efficiently, while its combination of dual 1 GbE ports and a 10 GbE port ensures smooth network performance for both everyday and high-bandwidth tasks.

Key features

• Hot-swappable drives allow for easy expansion or replacement without downtime, keeping your workflow uninterrupted.
• Multiple RAID options (0, 1, 5, 6, 10, JBOD) provide flexible choices between performance and data redundancy to suit your storage needs.
• 256-bit AES encryption and two-factor authentication protect sensitive data from unauthorized access.
• Seamless integration with popular cloud services like Dropbox, Amazon S3, Microsoft Azure, and OneDrive enables flexible off-site backup and synchronization without additional hardware.
• 1U rackmount form factor fits standard server racks, making it easy to add to existing IT infrastructure.
• 10 GbE port supports bandwidth-intensive applications such as large media projects, virtualization, and rapid disaster recovery.

Key specs

• Storage capacity: 80 TB (4 x 20 TB drives)
• Processor: Annapurna Labs AL524, 2.04 GHz
• Memory: 8 GB DDR4 RAM
• Network interfaces: 2 x 1 GbE ports, 1 x 10 GbE port
• RAID support: 0, 1, 5, 6, 10, JBOD
• Encryption: 256-bit AES
• Form factor: 1U rackmount

Connectivity and compatibility

This NAS server offers versatile network connectivity options to fit various environments. The dual 1 GbE ports handle standard network traffic efficiently, while the 10 GbE port is designed for tasks requiring higher throughput. It integrates smoothly with existing network setups and supports direct connections to major cloud storage providers, allowing hybrid storage strategies that combine local and cloud backups.

Ideal uses and environments

The TS5420RN8004 is well suited for small to medium businesses, branch offices, and creative studios that require dependable, high-capacity storage with strong data protection. Its hot-swappable drives and RAID flexibility make it a practical choice for teams managing large files or running virtualization environments. The rackmount design and network options also make it a solid fit for IT professionals looking to upgrade or expand their server infrastructure without complex installation.