Buffalo SATA 6Gb/s 4TB Replacement Hard Drive for TeraStation

Overview

The Buffalo OP-HD4.0N is a 4TB replacement hard drive designed specifically for compatible TeraStation network storage devices. It features a 3.5-inch form factor and a SATA 6Gb/s interface, matching the original drives in both size and performance. This drive is factory qualified for several TeraStation models, ensuring seamless integration and immediate recognition upon installation. With hot swap capability, it allows you to replace a failed drive without interrupting network access or ongoing backups, making it a practical choice for maintaining continuous data availability.

Key features

• 4TB capacity provides ample space for extensive backups, media libraries, and business data storage.
• Factory qualification for multiple TeraStation models guarantees compatibility and reliable operation.
• SATA 6Gb/s interface supports efficient data transfer rates suitable for network storage demands.
• Hot swap support enables drive replacement without powering down the NAS, minimizing downtime.
• Buffalo firmware alignment ensures the drive is immediately detected and supports smooth RAID rebuilds.
• Tool-free installation simplifies maintenance, allowing quick drive swaps without extra equipment.

Key specs

• Capacity: 4TB
• Form factor: 3.5 inch
• Interface: SATA 6Gb/s
• Weight: 0.74 kg
• Dimensions: 14.7 x 10.2 x 2.5 cm
• Compatible TeraStation models: 3210DN, 3410DN, 3410RN, 5210DN, 5410DN, 5410RN, 5810DN

Connectivity and compatibility

This replacement drive is designed to fit seamlessly into TeraStation NAS units, matching the original hardware specifications. Its SATA 6Gb/s interface ensures it can handle the data throughput required by these network storage systems. The drive’s firmware is pre-aligned with Buffalo’s TeraStation models, which means it is recognized immediately after installation without the need for additional setup or configuration.

Installation and setup

Installing the OP-HD4.0N is straightforward and user-friendly. The tool-free design allows you to open the drive tray and slide the new hard drive into place quickly. Thanks to hot swap support, you can replace a failed drive while the NAS remains operational, avoiding interruptions to file access, media streaming, or scheduled backups. The TeraStation system automatically manages RAID rebuilds, reducing the need for manual intervention.

Ideal uses and environments

This 4TB drive is well suited for small businesses, creative professionals, and home users who require reliable and expandable network storage. It works well for storing large project files, surveillance footage, or consolidated office documents. The drive’s compatibility with multiple TeraStation models makes it a strong choice for users looking to maintain or expand their existing NAS setups without compatibility concerns.