WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX

WD5000AZLX Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 32MB Cache 3.5 Inch - OEM

Hitachi

Hitachi 500GB 7200 RPM 16MB 3.5" SATA HARD DRIVE 0A31619

Hitachi

Hitachi 500GB 7200 RPM 16MB 3.5" SATA HARD DRIVE HDS725050KLA360

Western Digital Blue WD5000AAKS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive

WD Re 500GB Datacenter Capacity Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 64MB Cache 3.5 inch WD5003ABYZ

WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAZ

Western Digital

WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EZRZ

Western Digital RE3 WD5002ABYS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive

Hitachi

Hitachi 500GB 7200 RPM 3.5" 32MB SATA Hard Disk Drive HUA721050KLA330