WD4003ABYX - Western Digital Enterprise RE4 500GB 7200RPM SATA 3GB/s 64MB Cache 3.5-inch Hard Disk Drive

WD4003FZEX-00Z4SA0 - Western Digital Black 4TB 7200RPM SATA 6GB/s 64MB Cache 3.5-inch Internal Hard Disk Drive

WD40055DNA0 - Western Digital Caviar 40GB 7200RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive

WD400AAJS - Western Digital Caviar 40GB 7200RPM SATA 1.5GB/s 8MB Cache 3.5-inch Hard Disk Drive

WD400AB - Western Digital 40GB 5400RPM IDE Internal 2MB Cache Dma/ATA-100 (ultra) 3.5-inch Low Profile (1.0 inch) Hard Drive

WD400AB-00BPA1 - Western Digital Caviar 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive

WD400AB-00BPAI - Western Digital Caviar 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive

WD400AB-00BTA0 - Western Digital Caviar 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive

WD400AB-00BVA0 - Western Digital Caviar 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive

WD400AB-00CBA0 - Western Digital Caviar 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive

WD400AB-00CDB0 - Western Digital Caviar 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive

WD400AB-00CDBO - Western Digital Caviar 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Disk Drive