HP 1TB SATA 3Gb/s 7200RPM 3.5in LFF Midline Hard Drive (454146-B21)

Data centers running HP ProLiant servers often need reliable, high-capacity storage that balances cost and performance. The HP 454146-B21 1TB SATA Midline hard drive fits that role perfectly. It delivers 1 terabyte of storage in a 3.5-inch Large Form Factor, with a 7200 RPM spindle speed and a 3Gb/s SATA interface. This drive is engineered for 24/7 operation, making it a solid choice for bulk storage, backup, and archival tasks in enterprise environments.

Key specifications

• Storage capacity: 1 TB
• Interface: SATA 3 Gb/s (SATA II)
• Rotational speed: 7200 RPM
• Form factor: 3.5-inch LFF
• Drive type: Midline (MDL) HDD
• Hot-plug support: Yes
• Buffer/cache: 32 MB
• Average latency: 4.16 ms
• Average seek time (read): 8.5 ms
• Average seek time (write): 9.5 ms
• External data transfer rate: 300 MB/s
• Power consumption (operating): 10-12 W
• Power consumption (idle): 6-7 W
• MTBF: 1,200,000 hours
• Operating temperature: 5°C to 60°C
• Shock resistance (operating): 70 G / 2 ms
• Sector size: 512n
• Compatibility: HP ProLiant Servers

Why choose it

This drive offers a proven balance of capacity, reliability, and affordability. Its Midline classification means it is optimized for high-capacity, low-duty-cycle workloads, such as nearline storage. With a 1.2 million hour MTBF and robust shock tolerance, it is built to last in demanding server environments. The 3Gb/s SATA interface ensures broad compatibility with a wide range of HP ProLiant servers and storage arrays.

Ideal use cases

• Bulk data storage and archiving
• Disk-based backup targets
• File and print servers
• Content repositories
• Surveillance storage (with appropriate workload management)

Good to know

The drive supports hot-plug capability, allowing for easy replacement without downtime. It uses a 512n sector size, which is compatible with most legacy and modern operating systems. Always verify compatibility with your specific HP ProLiant server model before deployment. The drive is designed to operate within a temperature range of 5°C to 60°C, ensuring reliable performance in typical data center conditions.