Wishlist Quick view WESTERN DIGITAL WESTERN DIGITAL WD4004FZWX 4tb-7200rpm Sata-6gbps Hard drives $514.58 $354.88 WESTERN DIGITAL WD4004FZWX WD BLACK 4TB 7200RPM SATA-6GBPS 128MB BUFFER 3.5INCH INTERNAL HARD DISK DRIVE. NEW WITH MFG WARRANTY. IN STOCK. Compare Add to Cart Add to Wishlist