Wishlist Quick view HP HP 636597-B21 400GB Sata 3G 2.5inch MLC Solid State Drive $1,043.64 $719.75 HP 636597-B21 400GB 2.5INCH 3G SATA MLC SFF ENTERPRISE MAINSTREAM SOLID STATE DRIVE. BRAND NEW 0 HOUR. IN STOCK. Compare Add to Cart Add to Wishlist