USB 3.0 19 Pin Male - Female: Small Mini USB 3.0 Connector 19/20-Pin Internal Extension Cable; Compatibility: Low profile USB 3.0 extender/cable for motherboards. A for SLI configurations that need access to USB 3.0 headers; Flat Ribbon Wire: Using the top quality flat ribbon wires for stable signal and data transmission, which are more comparing to individual crimped wires; Parameter: Length(including connectors): 5.9-inch(15cm)(), Data transfer speed is up to 5Gbps.; Product function: mate with the chassis 20P (19P) USB 3.0 interface, turn out the small flat cable to connect to the motherboard. The main bend wiring can be the original chassis line Colour: black Material: PVC Size: cable length: 15cm Package Contents: 2 * USB 3.0 19/20 pin extension cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.