WD072500BEKT - Western Digital Scorpio Black 250GB 7200RPM SATA 3GB/s 16MB Cache 2.5-inch Hard Disk Drive

WD072500BEVS - Western Digital Scorpio Blue 250GB 5400RPM SATA 1.5GB/s 8MB Cache 2.5-inch Hard Disk Drive

WD072500BEVT - Western Digital Scorpio Black 250GB 7200RPM SATA 3GB/s 16MB Cache 2.5-inch Hard Disk Drive

WD0730EFRX - Western Digital Red 3TB 5400RPM SATA 6GB/s 64MB Cache 3.5-inch Hard Disk Drive

WD0732001FAEX - Western Digital Black 3TB 7200RPM SATA 6GB/s 64MB Cache 3.5-inch Hard Disk Drive

WD073200BUDT - Western Digital AV-25 320GB 5400RPM SATA 3GB/s 32MB Cache 2.5-inch Hard Disk Drive

WD0740EFRX - Western Digital Red 4TB 5400RPM SATA 6GB/s 64MB Cache 3.5-inch Hard Disk Drive

WD0740PURX - Western Digital Purple 4TB 5400RPM SATA 6GB/s 64MB Cache 3.5-inch Hard Disk Drive

WD075000AADS - Western Digital Caviar Green 500GB 5400RPM SATA 3GB/s 32MB Cache 3.5-inch Hard Disk Drive

WD075000AAKS - Western Digital Caviar Blue 500GB 7200RPM SATA 3GB/s 16MB Cache 3.5-inch Hard Disk Drive

WD075000AAKX - Western Digital Caviar Blue 500GB 7200RPM SATA 6GB/s 16MB Cache 3.5-inch Hard Disk Drive

WD075001AALS - Western Digital Caviar Black 500GB 7200RPM SATA 3GB/s 32MB Cache 3.5-inch Hard Disk Drive