500gb internal hard drive

Western Digital WD AV-GP 500GB 32MB Cache SATA 3. live drive sdy 0Gb/s 3 5inch (CCTV DVR, PC) Internal Hard Drive (Low power, Quiet) -w/1 Year Warranty Western Digital WD5000LUCT AV 500GB 5400RPM 16MB Cache (7mm) SATA 3 0Gb/s Internal 2 5inch Notebook Hard Drive