Cables Unlimited MAD-6100-06 .8mm 68-Pin Male VHDCI to HDB68 Male SCSI 3 Cable (6 feet) Constructed with pairs located within three layers of shielding to guarantee error free operation. Featuring molded connectors with strain relief for protection against EMI and RFI interference. Flexible yet has a single end impedance of 90 ohms. High quality external SCSI cable