This adapter Converts an 80 pin SCA drive to 68 pin SCSI-3 drive. You can use an 80-pin drive with an ultra wide SCSI-3 cable.
The adapter features an 80-pin SCA micro centronics female connector on one side and a high-pitch DB68 pin female SCSI-3 connector on the other side with 4-pin molex power connector and a 16-pin IDC jumper connector.