PCI Express PCI-E 1X to 16X Slot Riser Card Flat Flexible Extension Cable Powered Molex 1-slot PCI-E 1X riser card with normal ribbon cable high speed FFC cable is flexible for 1U,2U,3U chassis. Support PCIe 1X card and 4X,8X,16X card( only provide 1X speed). Extra molex(12V/GND) power supply for PCI-e video card. Total length:25cm Ships from USA, Pennsylvania