Wishlist Quick view WESTERN DIGITAL WD Black WD4003FZEX 4TB 7200RPM SATA 6Gb/s 64MB Cache 3.5" HDD $326.13 $224.92 WESTERN DIGITAL WD4003FZEX WD BLACK 4TB 7200RPM SATA-6GBPS 64MB BUFFER 3.5INCH FORM FACTOR LOW PROFILE HARD DISK DRIVE. REFURBISHED. IN STOCK. Compare Add to Cart Add to Wishlist