Freecom TapeWare USB DAT-40i, TapeWare DAT. Native capacity: 20 GB, Compressed capacity: 40 GB, Media types supported: DDS-4 (150m), DDS-3 (125m), DDS-2 (120m). Interface: USB 2.0. Colour of product: Black. Bundled software: Yosemite TapeWare Software. Mean time between failures (MTBF): 125000 h