The HGST Ultrastar 15K147 (HUS151436VL3600) is a 3.5" enterprise-class hard drive delivering 36.70 GB capacity with Ultra320 SCSI connectivity and 15,000 RPM spindle speed. The 16 MB buffer supports sustained sequential and random I/O workloads typical of mid-2000s SAN and direct-attach storage environments. Ultra320 SCSI interface provides up to 320 MB/s theoretical throughput and is compatible with legacy enterprise storage arrays, servers, and RAID subsystems from that era. Suitable for archival, backup, and cold-storage applications where vintage SCSI infrastructure remains in service. This drive has been tested and guaranteed; available via quote.