HP 160GB 5400RPM SATA 3GB/s 2.5-inch hard drive (part 454996-003). 2.5-inch form factor, 9.5mm height, designed for compact enterprise and portable storage applications. SATA interface supports 3GB/s throughput. 5400RPM spindle speed balances capacity and power efficiency for sustained sequential access patterns. Compatible with HP ProLiant servers, storage arrays, and external enclosures supporting 2.5-inch SATA drives from the mid-2000s through early 2010s generation. Typical use cases include secondary storage, backup targets, and archival systems where bulk capacity is prioritized over performance. Legacy system integration and cost-effective capacity expansion for decommissioned or secondary environments. Tested and guaranteed; available via quote.