WD 500GB Laptop Internal Hard Disk Drive (HDD) SATA - Slim
WD Blue WD5000LPZX 500 GB Hard Drive - 2.5,WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD5000AZLX,WD 500GB Laptop Internal Hard Disk Drive (HDD) SATA - Slim,500GB WESTERN DIGITAL WD CAVIAR BLUE WD5000AAKB HDD HARD DRIVE IDE PATA