Hitachi DeskStar P7K500 HDP725050GLA360 3.5-Inch 500GB, 7200 RPM, 16MB Buffer Hard Disk Drive Advanced Power Management, HiVERT technology Thermal Fly-height Control (TFC), Head load/unload, CRC detection and ECC correction, 3.5-Inch SATA II 7200 RPM 500GB Capacity