The StorageWorks Enclosure 4300 series disk drive storage enclosures deliver industry-leading data performance, availability, storage density, and upgradeability to meet customers' demanding and growing storage needs. The drive carrier is designed to support the fastest current and next generation hard drives on the same SCSI bus. The StorageWorks Enclosure 4300 proves to the customers that HP provides the lowest cost of ownership, as well as the fact that technology transitions can be smooth without disrupting critical business environments.StorageWorks Enclosure 4300 customer benefits include higher performance, storage capacity, upgradeability, investment protection, and reduced spares inventory. High transfer rates combined with the highest spindle count per U of rack space allow the StorageWorks Enclosure 4300 to achieve the greatest I/Os per second. 3U rack form factor allows customer to achieve the maximum storage capacity per square foot in the data center. With the ability to upgrade, as well as mix and match existing components with new ones, HP makes technology transitions simple and cost-effective, and has simplified the transition to the next-generation SCSI protocol. Universal drives and drive carriers across HP's product offering allow the same drives to be used in servers and external storage.