Buffalo Replacement 4TB 3.5" Hard Drive HDD for DriveStation Ultra

The Buffalo OP-HD4.0BN/B is a 4TB 3.5 inch hard drive created as a direct replacement or expansion option for the DriveStation Ultra. It installs quickly in the existing bay, restoring capacity without the need for extra tools or complex setup.

With a Near Line SATA interface, the drive delivers steady throughput that keeps large file transfers, scheduled backups and continuous media streams moving smoothly. The generous 4TB capacity provides plenty of room for high resolution photos, video projects, virtual machine images and everyday documents.

Buffalo pairs the firmware and connectors to match the DriveStation Ultra, so the enclosure recognizes the new disk immediately and can rebuild arrays with minimal downtime. This makes the drive a practical spare for IT teams who need fast recovery after a failure and a straightforward upgrade path when storage requirements grow.

From home studios safeguarding creative work to small offices archiving business data, the Buffalo OP-HD4.0BN/B offers the reliability and ease of use that keep workflows uninterrupted.

• 4TB of storage for backups, media libraries and project files
• Designed specifically for Buffalo DriveStation Ultra enclosures
• 3.5 inch form factor supports quick, tool free installation
• Near Line SATA interface maintains consistent data transfer rates
• Suitable for replacing a failed disk or expanding total capacity
• Seamless integration with existing NAS setups