The IBM Magstar 3590 Tape Subsystem provides high levels of capacity, performance, and reliability for S/390, RS/6000, AS/400, and a variety non-IBM UNIX and Microsoft Windows systems. It offers significant enhancements over IBM 3480, 3490, or 3490E tape drives and demonstrates IBM's continued leadership in storage solutions. The 3590 subsystem includes tape drives and controllers that can be configured in a broad range of solutions that includes stand-alone frames or racks, or in automated library solutions to meet a diverse set of customer requirements. The Magstar 3590 Tape Drives can be attached to a SCSI host interface or Fiber Channel interface of selected IBM and non-IBM midrange and open systems. The tape drives can also attach to ESCON channels on S/390 systems through a Magstar 3590 controller.The Magstar 3590 Model B1A tape drive comes without the ACF and is designed to go into the Magstar IBM 3494 Tape Library. It can also go in the IBM 3590 Model C12 or C14 Silo Compatible Frame for attachment to a StorageTek Automated Cartridge System (ACS) or in the 3590 Model A14 Frame for attachment to a Magstar 3495 Tape Library. This model includes an integrated SCSI-3 controller with two ports that support a 16-bit, fast-and-wide, Ultra SCSI differential interface.