When John Atanasoff constructed the first semi-electronic digital computing device in 1939 he never could have imagined that over sixty years later, Belkin components would carry every SCSI cable imaginable. The Micro DB50 Male to Micro DB50 Male Pro Series SCSI II (fast SCSI) Cable is used to interface any two SCSI I/II devices, such as scanners, CD-ROM drives and more, with Micro DB50 female ports.