USB 3.0 header extension cable for motherboards. 1 to 2 Y Splitter design. Connector 1: Double USB 3.0 19/20 pin male; Connector 2: USB 3.0 19/20 pin female. This cable is a great option for SLI configurations that need access to USB 3.0 headers.(Note: cannot compatible Cor.iCUE 7000X) | GINTOOYUN USB 3.0 19/20 pin internal extension adapter supports data transmission speeds of up to 5Gbps, high performance, used for stable signal and data transmission | 5.9 inch USB3.0 is full duplex, independent of the four differential signal USB 3.0 signals. This cable can extend the one USB 3.0 19P on the motherboard into two 19P | Black flat ribbon wire, much more durable and flexible comparing to individual crimped wires; These cables offer a clean look, making it easier to deal with dust and avoid overheating | Note: The end that connects to the motherboard is loose for a few of motherboards since the USB 3.0 ports on different motherboards have a bit difference. There is not USB 3.0 connector to work with all of motherboards currently,if you have any doubts, please feel free to contact us