Wishlist Quick view HP HP 238633-B21 Smart array 5312-128 Ultra160-scsi Controllers $142.74 $98.44 HP 238633-B21 SMART ARRAY 5312 64BIT 133MHZ PCI-X ULTRA3 SCSI RAID CONTROLLER WITH 128MB CACHE. REFURBISHED. IN STOCK. Compare Add to Cart Add to Wishlist