The StorageWorks 4400 Enclosure family is the newest HP Ultra320 SCSI disk drive storage enclosure, delivering industry-leading data performance, availability, storage capacity and upgradability to meet your demanding and growing storage needs.The StorageWorks Enclosure is ideal for data center, departmental and workgroup server users who need a flexible, universal storage enclosure that utilizes a common storage building block for their current and future data center. The StorageWorks 4400 Enclosure family is intended for use with servers delivering business-critical data and applications with requirements for high availability and performance, excellent serviceability, and large storage capacity.