Maximize the capacity and performance of Compaq computers with Ultra320 SCSI Hard Drives. HP Ultra320 SCSI Universal hard drives provide storage commonality across the enterprise. Ultra320 Universal drives add the feature of hot plug compatibility between any Ultra 320, Ultra3 or Ultra2 capable ProLiant Servers, ProLiant Storage Systems, AlphaServers, and StorageWorks enclosures by HP. These hot plug drives are offered in multiple capacities and spindle speeds. Storage commonality across these platforms provides many benefits including reduced cost of ownership, reduced storage complexity, and a minimized hard drive spares inventory.