HP 3TB 7200RPM SATA hard drive (part 664016-001) in standard 3.5-inch form factor with 6Gb/s interface. Delivers 7200 RPM spindle speed for typical enterprise storage applications including nearline RAID arrays, NAS systems, and external backup enclosures. Compatible with HP ProLiant servers, storage systems, and third-party enclosures accepting 3.5-inch SATA drives. Suitable for mixed workload environments requiring moderate I/O throughput and cost-effective capacity expansion. All drives tested and guaranteed; available via quote.