HP 500GB 2.5-inch SATA hard drive (part 615078-001) with 5400 RPM spindle speed and 8MB cache buffer. Supports SATA 300 MB/s interface standard for compatibility with enterprise servers, storage arrays, and external enclosures requiring 2.5-inch form factor drives. Typical sequential throughput up to 100 MB/s depending on workload. Suited for archival storage, backup applications, and secondary storage in data centers where power efficiency and reliability are prioritized over maximum performance. Device tested and guaranteed; available via quote.