IBM 3590-B1A Enterprise Tape Drive
The IBM TotalStorage Enterprise Tape Drive 3590 Model B1A comes without the ACF and is designed to go into the IBM TotalStorage Enterprise Automated Tape Library 3494. It can also go in the IBM TotalStorage Silo Compatible Tape Drive Frame 3590 Model C12 or C14 for attachment to a StorageTek Automated Cartridge System (ACS). This model includes an integrated SCSI-3 controller with two ports that support a 16-bit, fast-and-wide, Ultra SCSI differential interface. The 3590 Model B1A Tape Drive has a 9 MB/second native date rate (with compression up to 27 MB/second sustained data rate).