Lenovo SAS Drives 00WG705, Capacity 300GB, Interface Serial Attached SCSI 3, HDD Form Factor 2.5 SFF, Spindle Speed 10000RPM, Data Transfer Rate 1.2GB/s, Hot Swap. This SED is designed to reduce the vulnerability of data at rest to potentially costly exposures of proprietary data resulting from Hard Drives being stolen, misplaced, or improperly disposed.