Amazon.com: (Old Model) WD Green 500GB Desktop Hard Drive: 3.5-inch, SATA 6 Gb/s, IntelliPower, 64MB Cache WD5000AZRX : Electronics
Amazon.com: Seagate ST3500630A 500GB 7200 RPM IDE HDD : Electronics
Amazon.com: New Western Digital RE4 WD5003ABYX 500GB SATA2 7200rpm 64MB Enterprise Hard Drive 3.5 Inch : Electronics
Amazon.com: WD 500GB RE Enterprise Hard Drive SATA III 7200 RPM 64 MB - WD5003ABYZ : Electronics
Amazon.com: WL 500GB 16MB Cache 5400RPM SATA II (3.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty : Electronics
Amazon.com: Toshiba 500GB 2.5-inch SATA Laptop Hard Drive (5400rpm, 8MB Cache) MQ01ABD050 : Electronics
Amazon.com: Western Digital 500 GB WD Black SATA III 7200 RPM 32 MB Cache Bulk/OEM Desktop Hard Drive : Electronics
Amazon.com: WD AV-GP 500 GB AV Hard Drive: 3.5 Inch, SATA II, 32 MB Cache (WD5000AVDS) (Old Model) : Electronics
Amazon.com: MDD MAXDIGITALDATA - ST3500414CS 500GB 5900RPM 16MB Cache SATA 3.0Gb/s 3.5-inch Surveillance Hard Drive - 3 Year Warranty (Renewed) : Electronics
Amazon.com: MaxDigitalData 500GB 32MB Cache 7200RPM SATA III (6.0Gb/s) 7mm Slim 2.5inch Performance Mobile Hard Disk Drive - 1 Year Warranty : Electronics