Ultra Wide SCSI, SCSI-3 SPI, 68-pin, 20 MHz, 40 MB/s Ultra2 Wide SCSI, SCSI-3 SPI-2, 68-pin or 80-pin (SCA/SCA-2), 40 MHz, 80 MB/s So, it would fit on the cable but personally I would only use the same type of devices on the same cable, e.g. Only UW SCSI or UW2 SCSI.