BUFFALO TeraStation 5420: 4-Bay 32TB Desktop NAS with 2x16TB Drives Included

The Buffalo TeraStation 5420 is a purpose-built, high-performance NAS designed for small to medium-sized businesses that demand reliable, secure, and scalable storage. With a 4-bay chassis and a total capacity of 32TB (2 x 16TB drives included), this desktop NAS delivers the capacity you need without complicated setup. It blends enterprise-grade features with an accessible management interface, helping teams collaborate more efficiently, protect critical data, and streamline backup workflows. Whether you’re safeguarding sensitive documents, hosting shared media libraries, or consolidating backups from multiple devices, the TeraStation 5420 is engineered to handle busy workdays with ease while keeping administration straightforward for IT teams of all sizes.

Performance you can rely on — Designed to handle demanding workloads, the TeraStation 5420 delivers fast, responsive file access even when many users are connected simultaneously. The system’s architecture emphasizes efficiency and reliability, so you can stream media, transfer large files, and run backups with minimal slowdowns. The out-of-the-box configuration gives you a head start, while the flexible storage architecture means you’re prepared for growth as your organization expands.

Robust security for today’s data protection needs — Data security is a core pillar of the TeraStation 5420. With centralized user management, access controls, and industry-standard safeguards, your files stay protected from unauthorized access. The device supports secure authentication methods, granular permissions, and scheduled backups to help you meet compliance requirements and maintain business continuity. This NAS is built to keep sensitive information safe while still delivering convenient file sharing for approved team members.

Cross-platform compatibility and easy sharing — Compatibility across Windows, macOS, and Linux environments ensures seamless file sharing in mixed-OS offices. The TeraStation 5420 makes collaboration straightforward, letting teams quickly store, locate, and retrieve documents from any connected workstation. A user-friendly web-based management console guides you through setup, drive configuration, user accounts, and permission settings, reducing the need for specialized IT support and accelerating deployment.

Out-of-the-box convenience with drives included — This model arrives with two 16TB drives pre-installed, providing a total of 32TB of usable storage in a plug-and-play package. The included drives simplify procurement and deployment, allowing you to get data streaming and backups running quickly. When your storage needs change, the 4-bay design supports expansion through larger drives or additional bays, enabling you to scale capacity as your business grows without swapping to a new NAS.

Flexible data management features — The TeraStation 5420 supports multiple storage configurations and RAID levels, helping you balance performance against data protection. Whether you require fast sequential throughput for large media files, robust fault tolerance with redundancy, or simple JBOD for maximizing usable space, this NAS adapts to fit your workflow. With built-in backup and synchronization features, you can protect important files with scheduled tasks, synchronize folders across devices, and replicate data to another location as part of a comprehensive business continuity plan.

• High-performance hardware designed to support heavy workloads and concurrent user access
• 4-bay enclosure delivering up to 32TB of total storage (2 x 16TB drives included)
• Strong security with centralized user management, permissions, and routine backups
• Cross-platform compatibility for Windows, macOS, and Linux environments
• Out-of-the-box readiness with included drives, simple setup, and scalable storage options

Technical Details of BUFFALO TeraStation 5420

• Product type: Desktop NAS enclosure
• Drive bays: 4
• Total storage capacity: 32TB (2 x 16TB drives included)
• Preinstalled drives: 2 x 16TB hard drives included
• Operating system: Buffalo TeraStation OS
• Networking: Ethernet connectivity for network access
• RAID support: Supports standard RAID configurations for data protection
• Security features: Centralized user management and access controls
• UPC/SKU: Not provided in this description

Note: Specifications published by resellers and distributors may vary. For exact technical details and latest firmware features, refer to the official vendor documentation and product page. This description reflects the key capabilities highlighted for SMB storage, backup, and collaboration use cases.

How to install BUFFALO TeraStation 5420

• Unpack and verify that two 16TB drives are included and properly mounted in the 4-bay chassis.
• Position the NAS in a well-ventilated area and connect the network cable to a switch or router with available Ethernet ports.
• Connect the power supply and power on the unit. Wait for the initial boot sequence to complete.
• Access the web-based setup wizard from a connected computer using the NAS’s default IP address or via the discovery tool provided by Buffalo. Follow on-screen prompts to configure network settings, RAID level, and drive status.
• Create shared folders, set up user accounts and permissions, and enable automatic backups or synchronization tasks as needed. Optionally connect cloud services or remote access features to support offsite backups and mobile access.
• Test file transfer, verify access permissions, and implement a regular backup plan to protect critical data. Consider setting up alert notifications to monitor health, capacity, and drive status.

Frequently asked questions

• Q: Is the Buffalo TeraStation 5420 suitable for a small business? A: Yes. It is designed to deliver reliable, secure storage for shared folders, backups, and collaboration in SMB environments, with easy administration and scalable capacity.
• Q: Are drives included with this NAS? A: Yes. The package includes two 16TB drives for a total of 32TB of storage out of the box.
• Q: Can I expand storage beyond 32TB? A: The 4-bay design supports drive replacements with larger capacities and can accommodate expansion strategies as needs grow, while preserving data protection through RAID configurations.
• Q: Does it support cross-platform file sharing? A: Yes. It is compatible with Windows, macOS, and Linux environments, making it easy to share files across mixed-OS networks.
• Q: How do I safeguard data on the TeraStation 5420? A: You can configure user access controls and RAID levels to protect against drive failure, set up scheduled backups, and enable remote or cloud-based backups to protect against data loss from disasters.