The HP StorageWorks DAT 40 USB Tape Drive is a dependable entry-level backup solution for smaller servers and workstations. This DDS-4 tape drive stores 40 GB of compressed data on a single cartridge at a rate of 23GB/hr (assuming 2:1 data compression), providing an ideal balance between capacity and performance. The HP StorageWorks DAT 40 USB Tape Drive features a native USB 2.0 interface providing universal plug-and-play connectivity and a setup time of less than 60 seconds. The DAT 40 USB drive is available to suit most environments, both as an internal and external stand-alone drive. It reads and writes DDS-4, DDS-3, and DDS-2 formats, making it compatible with most DDS legacy drives.