IBM TotalStorage 3581 Tape Autoloader Models F38 offers high capacity, performance, and technology designed for the midrange open systems environment. This model incorporates a single Linear Tape-Open (LTO) IBM TotalStorage Ultrium 3 Tape Drive, which more than doubles tape drive performance over the previous generation IBM LTO Ultrium 2 Tape Drives (Ultrium 2). It has a native data transfer rate of up to 80 MB/sec native data transfer rate. In addition, with the use of IBM TotalStorage LTO Ultrium 400 GB Data Cartridge, the Ultrium 3 Tape Drive has the capability of writing twice as much data, up to 400 GB native capacity (800 GB with 2: 1 compression). IBM Ultrium 3 Tape Drives can read and write LTO Ultrium 2 Data Cartridges at original Ultrium 2 capacities. IBM Ultrium 3 Tape Drives can also read LTO Ultrium 1 Data Cartridges with improved data rates of up to 20 MB/sec native data transfer rate.