765455-B21 HP 2TB SATA 6G MIDLINE 7.2K SFF (2.5IN) SC 512E

765455-B21 HP 2TB SATA 6G MIDLINE 7.2K SFF (2.5IN) SC 512E

The HP 765455-B21 2TB SATA 6G Midline 7.2K SFF (2.5-inch) SC 512E HDD is a high-capacity, enterprise-grade storage solution designed for HP ProLiant servers and business-critical storage systems. Built to meet HP’s rigorous quality standards, this Midline (MDL) drive provides reliable performance for everyday server workloads and moderate storage applications.

With 2TB of storage and a rotational speed of 7,200 RPM, this 2.5-inch Small Form Factor (SFF) drive delivers consistent performance and balanced power efficiency. The 6Gb/s SATA interface ensures stable data transfer for operating systems, file servers, backups, and virtualization workloads. Its 512-byte emulation (512E) sector format ensures compatibility with both older and newer server architectures.

The HP 765455-B21 is designed for read-intensive or mixed workloads, making it ideal for file servers, data archiving, and entry-level virtualization environments. Its Midline classification (MDL) provides a cost-effective solution for businesses that need reliable storage without the premium cost of high-performance enterprise drives.

HP part number 765455-B21 corresponds to a Single-Port (SC) midline drive, providing consistent server-grade reliability. Using genuine HP storage components ensures full compatibility, optimal performance, and long-term reliability in enterprise systems.

Technical Overview

• Capacity: 2TB

• Interface: SATA 6Gb/s

• Form Factor: 2.5-inch SFF

• Rotational Speed: 7,200 RPM

• Drive Type: Midline (MDL)

• Sector Format: 512E

• Port: Single Port (SC)

• Designed for HP ProLiant servers

Compatibility and Deployment

This HDD is compatible with HP servers that accept 2.5-inch SATA 6G drives. It is ideal for rack and tower ProLiant servers. Always verify compatibility with your specific server or storage system before installation.

Ideal Use Cases

• File and application servers

• Backup and archival storage

• Entry-level virtualization

• Business data storage

• Replacement or capacity expansion

Choosing original HP Midline drives helps businesses ensure stable, reliable operation and avoids compatibility issues often seen with generic storage devices.

Q1: What is HP 765455-B21 used for?
A: It is a 2TB SATA server hard drive for HP ProLiant servers, suitable for file storage, backups, and entry-level virtualization.

Q2: Is this drive compatible with desktop computers?
A: No. While it uses SATA, it is designed for continuous server operation and enterprise environments.

Q3: What does Midline (MDL) mean?
A: MDL indicates a drive optimized for read-intensive or mixed workloads, balancing performance and cost for enterprise storage.

Q4: What does 512E mean?
A: 512E (512-byte emulation) allows the drive to emulate 512-byte sectors while using 4K physical sectors, ensuring compatibility with older systems.

Q5: Can I hot-swap this drive in my server?
A: Hot-swap capability depends on your server chassis and backplane. This drive supports hot-plug when installed in compatible HP ProLiant systems.