ST31000524AS, 6VP, SU, PN 9YP154-022, FW HP64, Seagate 1TB SATA 3.5 Hard Drive SATA 6Gbps 3.5-Inch Form Factor 7200-RPM 1TB Hard Disk Drive for HP Workstations High instantaneous (burst) data-transfer rates State-of-the-art cache and on-the-fly error-correction algorithms. Full-track multiple-sector transfer capability without local processor intervention. Full-track multiple-sector transfer capability without local processor intervention.