Wishlist Quick view WESTERN DIGITAL WESTERN DIGITAL WD4000AAKS 400gb-7200rpm Sata-ii Hard drives $162.14 $111.82 WESTERN DIGITAL WD4000AAKS CAVIAR BLUE 400GB 7200RPM SATA-II 16MB BUFFER 3.5INCH HARD DRIVE. REFURBISHED. IN STOCK. Compare Add to Cart Add to Wishlist