StarteSCSI-3 HD68 Ribbon Cable for two Drive.This Ultra160 SCSI DB 68 drive ribbon cable connects one internal Ultra SCSI CD/DVD or hard drive to SCSI controller. This cable has PVC coated wiring to allow maximum speed and an extra connector for terminator which eliminates the need for expensive pass-thru type terminator to terminate the SCSI chain.SCSI 3 cables are usually 50 pin IDC/Centronic, half pitch 68 pin and have a bandwidth of up to 2560 Mbits or 320MB.