Buffalo TeraStation 5420DN 64TB 4-Bay Desktop NAS Server

Overview

The Buffalo TS5420DN6404 is a four-bay desktop NAS server designed to provide 64TB of storage with four pre-installed 16TB hard drives. It serves as a reliable central hub for small and mid-size businesses to store, share, and back up large files without relying on public cloud services. Powered by a 2.04 GHz Annapurna Labs AL524 processor and 8 GB of DDR4 memory, it handles multiple simultaneous users and high-resolution media streaming with ease.

Key features

• Four pre-installed 16TB drives deliver ample storage capacity right out of the box, reducing setup time.
• Dual 10 GbE and dual 1 GbE network ports offer flexible connectivity options to fit various network infrastructures and optimize transfer speeds.
• Support for RAID 0, 1, 5, 6, 10, and JBOD configurations allows you to balance performance, redundancy, and storage capacity according to your needs.
• Hot-swappable drive bays enable quick replacement of drives without shutting down the system, minimizing downtime.
• Hardware-based 256-bit encryption safeguards data by making it unreadable if drives are removed, enhancing security.
• Two-factor authentication adds an extra layer of protection during user login to prevent unauthorized access.
• Cloud integration with Dropbox, Amazon S3, and Microsoft Azure enables automated off-site backups without requiring additional software.
• USB-A 2.0 and USB-A 3.2 Gen 1 ports provide convenient options for importing data from external drives or backing up critical files.

Key specs

• Storage capacity: 64TB (four 16TB HDDs pre-installed)
• Processor: 2.04 GHz Annapurna Labs AL524
• Memory: 8 GB DDR4
• Network ports: 2 x 10 GbE, 2 x 1 GbE
• USB ports: USB-A 2.0, USB-A 3.2 Gen 1
• RAID support: 0, 1, 5, 6, 10, JBOD
• Encryption: Hardware-based 256-bit

Connectivity and compatibility

The TeraStation fits seamlessly into existing network environments thanks to its combination of dual 10 GbE and dual 1 GbE ports. This allows you to connect at high speeds where infrastructure supports it or fall back to standard gigabit connections as needed. USB ports facilitate quick data transfers from external drives, making it easy to import or back up files without network dependency. Cloud service integrations extend your backup options beyond local storage, supporting popular platforms like Dropbox, Amazon S3, and Microsoft Azure.

Performance and reliability

Equipped with a powerful Annapurna Labs processor and ample DDR4 memory, the NAS maintains smooth file transfers even under heavy multi-user workloads. RAID configurations and hot-swappable bays ensure your data remains protected and accessible, reducing the risk of downtime. The built-in encryption and two-factor authentication provide robust security measures to keep sensitive information safe from unauthorized access.

Ideal uses and environments

This NAS server is well suited for creative studios managing large media files, engineering firms storing complex project data, and IT departments handling routine backups. Its combination of high capacity, fast network connectivity, and strong security features makes it a solid choice for businesses that require dependable centralized storage without relying on cloud-only solutions. The compact desktop design fits comfortably in office spaces where rack-mounted solutions are not practical.