ITEM NAME:15cm USB 3.0 20 Pin Header Male to USB 2.0 9 Pin Female Adapter Cable D2B4 15cm USB 3.0 20 Pin Header Male to USB 2.0 9 Pin Female Adapter Cable D2B4 Product Name : USB 2.0 to USB 3.0 Cable;Connector Type : USB 2.0 9 Pin Female to USB 3.0 20 Pin Male Cable Length : 15cm / 6";Cable OD : 5mm / 0.2" Main Material : Plastic, Metal;Color : Black Weight : 9g Support external USB 3.0 front panel connectors to USB 2.0 motherboard connectors. Allowing you to connect internal USB devices directly to the motherboard header connection. Package Content : 1 x USB 2.0 to USB 3.0 Cable Note:Light shooting 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..Cable Length : 15cm / 6";Cable OD : 5mm / 0.2". Allowing you to connect internal USB devices directly to the motherboard header connection.