SMAKN&reg; USB 3.0 Internal Motherboard Header 20-Pin Cable to 2 USB 3.0 Type A Female Port Convert your motherboard USB 3.0 header port into 2 SuperSpeed USB 3.0 external Type A female ports. Connector 1: USB 3.0 Internal Header Port. Connector 2: 2X USB 3.0 Type A Female Port. Color: Black. Length:about 70cm.