34CM PCI-E PCI Express 1x to 16x Powered Socket Riser Extension Adapter Cable This is a Powered PCI-E Riser Cable and it is essential when bulding a Bitcoin or Litecoin. It will allows you to connect your graphics cards to any of 1x, 2x, 4x, 8x & 16x PCI-E slots and make use of those slots you normally not able to use without this Powered PCI-E Riser Cable.. This Cable is 34CM Total Length and comes with 2 pins in Molex 4 pin connector. One end of this cable is PCI-E 16x female and another end is PCI-E 1x male.. Compatible Use:Graphics cards to any of 1x, 2x, 4x, 8x & 16x PCI-E slots. Power Connector:2 pins in Molex 4 pin connector. Size: 34CM Total Length.