Connector 1 Male USB 3.0 Connector 19/20-Pin; Connector 2 Female lower profile USB 3.0 Connector; Motherboard USB 3.0 19/20-Pin Internal Extension Cable; Compatibility Low profile USB 3.0 extender cable for motherboards.; Extension cable for SLI configurations that need access to USB 3.0 headers, Super Speed--Data transfer speed is up to 5Gbps.; Flat Ribbon Wire Using the top quality flat ribbon wires for stable signal and data transmission, which are more durable comparing to individual crimped wires;