![Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 32MB Cache 3.5 Inch - WD5000AZLX : Electronics Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 32MB Cache 3.5 Inch - WD5000AZLX : Electronics](https://m.media-amazon.com/images/I/81tY0WJBLGL.jpg)
Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 32MB Cache 3.5 Inch - WD5000AZLX : Electronics
![Amazon.com: Western Digital RE4 WD5003ABYX 500GB 7200RPM 64MB Cache SATA 3.0Gb/s 3.5 inches (Enterprise Grade) Internal Hard Drive - w/ 1 Year Warranty (Renewed) : Electronics Amazon.com: Western Digital RE4 WD5003ABYX 500GB 7200RPM 64MB Cache SATA 3.0Gb/s 3.5 inches (Enterprise Grade) Internal Hard Drive - w/ 1 Year Warranty (Renewed) : Electronics](https://m.media-amazon.com/images/I/61clJCEUMAL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital RE4 WD5003ABYX 500GB 7200RPM 64MB Cache SATA 3.0Gb/s 3.5 inches (Enterprise Grade) Internal Hard Drive - w/ 1 Year Warranty (Renewed) : Electronics
![Amazon.com: WD VelociRaptor 500 GB Workstation Hard Drive: 3.5 Inch, 10000 RPM, SATA III, 64 MB Cache - WD5000HHTZ : Electronics Amazon.com: WD VelociRaptor 500 GB Workstation Hard Drive: 3.5 Inch, 10000 RPM, SATA III, 64 MB Cache - WD5000HHTZ : Electronics](https://m.media-amazon.com/images/I/61CItbIpTOL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD VelociRaptor 500 GB Workstation Hard Drive: 3.5 Inch, 10000 RPM, SATA III, 64 MB Cache - WD5000HHTZ : Electronics
![Amazon.com: HGST Deskstar 3.5-Inch 2TB 7200RPM SATA III 6 Gbps 64 MB Cache Internal Hard Drive (0F12115) : Electronics Amazon.com: HGST Deskstar 3.5-Inch 2TB 7200RPM SATA III 6 Gbps 64 MB Cache Internal Hard Drive (0F12115) : Electronics](https://m.media-amazon.com/images/I/81nOLjD7HsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HGST Deskstar 3.5-Inch 2TB 7200RPM SATA III 6 Gbps 64 MB Cache Internal Hard Drive (0F12115) : Electronics
![Amazon.com: WD VelociRaptor 500 GB Workstation Hard Drive: 3.5 Inch, 10000 RPM, SATA III, 64 MB Cache - WD5000HHTZ : Electronics Amazon.com: WD VelociRaptor 500 GB Workstation Hard Drive: 3.5 Inch, 10000 RPM, SATA III, 64 MB Cache - WD5000HHTZ : Electronics](https://m.media-amazon.com/images/I/61ZLNsZuA5L.jpg)