The industry leading HP StorageWorks DAT 72 SCSI Tape Drive provides an optimum balance of dependable backup capacity and low cost of ownership for small and medium businesses, remote offices, and workgroups. The DAT 72 delivers a capacity of 72 GB on a single data cartridge and a transfer rate of 23 GB/hr (assuming a 2:1 compression ratio). This drive reads and writes DAT 72, DDS-4, and DDS-3 formats, making it the perfect upgrade from earlier generations of DDS. The HP StorageWorks DAT 72 SCSI Tape Drive comes in a choice of models -- internal (which also fits in the 1U and 3U rack-mount kit), external, and offline hot-swap array module ( which fits into the Tape Array 5300) -- to suit most environments. Now 100% RoHS compliant and featuring SCSI-3 Ultra 160 interface, the DAT 72 tape drive is also available with a native USB 2.0 interface.