MCIO X8 to 2xSFF-8639 U.2 32 GT/s 65cm Cable Cables and Adapters MCIO X8 to 2xSFF-8639 U.2 32 GT/s 65cm Cable Pictures × Previous Next Advice Tech Specs Internal cable for connecting an MCIO port on select motherboards to up to 2 U.2 drives. Model: CST-MU702-G5 ManufacturerSpecifications