Amazon.com: Seagate Pipeline HD ST3500312CS 500GB 5900RPM 8MB Cache SATA II 3.0Gb/s 3.5in Internal Hard Drive (PC, RAID, NAS, CCTV DVR) [Renewed] -w/1 Year Warrany : Electronics
Amazon.com: Western Digital Caviar Blue WD5000AAKX 500GB 7200RPM 16MB Cache SATA 6.0Gb/s 3.5in Internal Hard Drive (Renewed) - w/ 1 Year Warranty : Electronics
Amazon.com: Storite Generic 3.5 Inch SATA Internal Hard Drive (500GB) : Electronics
Amazon.com: Western Digital WD AV-GP 500GB 32MB Cache SATA 3.0Gb/s 3.5inch (CCTV DVR, PC) Internal Hard Drive (Low power, Quiet) -w/1 Year Warranty : Electronics
Amazon.com: Western Digital 500GB SATA 3.5 Hard Drive - WD5000AAKX-60U6AA0 : Electronics
Amazon.com: Western Digital Blue WD5000AZLX 500GB 7200RPM 32MB Cache SATA III 6.0Gb/s 3.5in Internal Desktop Hard Drive [Renewed]- w/ 1 Year Warranty : Electronics