Buffalo 16TB Replacement Hard Drive for TeraStation NAS Server

Overview

The Buffalo OP-HD16.0H2U-5Y is a 16TB replacement hard drive designed specifically for TeraStation NAS servers, providing a seamless way to expand storage or replace a failing disk without interrupting your system’s operation. This 3.5-inch enterprise-grade drive connects via a SATA 6 Gb/s interface, ensuring compatibility with TeraStation 51210RH, 51220RH, and 71210RH models while supporting continuous, high-demand workloads such as file sharing, backups, and video archiving.

Key features

• Large 16TB capacity that accommodates extensive media libraries, backup archives, and surveillance footage
• Hot-swap capability allows drive replacement or addition without shutting down the RAID array, maintaining uninterrupted service
• Enterprise-grade design built to handle constant read/write cycles typical in NAS environments
• Direct compatibility with specific TeraStation models ensures easy installation and reliable performance
• Backed by a five-year warranty matching the TeraStation’s support period for long-term reliability
• Compact dimensions and moderate weight make it easy to handle and install within existing NAS chassis

Key specs

• Capacity: 16TB
• Form factor: 3.5 inch
• Interface: SATA 6 Gb/s
• Compatible models: TeraStation 51210RH, 51220RH, 71210RH
• Dimensions: 6.8 x 4.2 x 1.1 inches
• Weight: 1.7 lb
• Warranty: 5 years

Connectivity and compatibility

This replacement drive uses the SATA 6 Gb/s interface, the same connection standard as the original drives in supported TeraStation NAS models. This ensures straightforward integration and consistent data transfer speeds, which are critical for maintaining RAID array performance during rebuilds or expansions. Its compatibility with multiple TeraStation chassis models makes it a versatile choice for administrators managing these systems.

Ideal uses and environments

The OP-HD16.0H2U-5Y is well suited for environments that demand reliable, high-capacity storage such as creative studios archiving large video files, security operations storing continuous surveillance footage, and IT departments managing business-critical backups. Its enterprise-grade build and hot-swap capability make it a practical option for maintaining uptime in busy NAS deployments where data availability is essential.