Buffalo 20TB Replacement Hard Drive for TeraStation Series

Overview

The Buffalo OP-HD20.0N is a 20 TB replacement hard drive designed specifically for TeraStation network-attached storage arrays. It fits into a 3.5-inch bay on various TeraStation models, including 3010, 3020, 5010, 5020, WS5020, 6400, 5420, and 5820. With a SATA 6 Gb/s interface supporting transfer speeds up to 600 MB/s, this drive enables fast data movement for large files such as video projects, virtual machine images, and backups. Its hot-swap capability allows you to add or replace the drive without shutting down the system, ensuring continuous access to shared folders and backups across your network.

Key features

• Large 20 TB capacity provides ample space for extensive datasets, media libraries, and archives.
• Hot-swap design allows quick installation or replacement without interrupting network access or system uptime.
• SATA 6 Gb/s interface supports high transfer rates, reducing wait times when handling large files.
• Purpose-built compatibility with a wide range of Buffalo TeraStation models ensures seamless integration.
• Three-year Buffalo warranty aligns with typical TeraStation support cycles, offering reliable coverage.

Key specs

• Capacity: 20 TB
• Form factor: 3.5 inch
• Interface: SATA 6 Gb per second
• Maximum transfer rate: up to 600 MB per second
• Compatible models: Buffalo TeraStation 3010, 3020, 5010, 5020, WS5020, 6400, 5420, 5820
• Warranty: 3 years

Compatibility and installation

This replacement drive is engineered to fit directly into the 3.5-inch bays of supported TeraStation models, making it a straightforward upgrade or replacement option. The hot-swap feature means you can install or swap the drive while the NAS remains powered on and accessible, minimizing downtime and maintaining continuous data availability for all users on the network.

Ideal uses and environments

The OP-HD20.0N is well suited for creative professionals managing high-resolution media files, IT teams maintaining reliable backups, and advanced home users organizing large media collections. Its large capacity and fast interface help keep data centralized and accessible, supporting workflows that demand both storage space and performance without requiring a full system upgrade.