Features: Easily add SuperSpeed USB 3.0 ports to a PC Support transfer rates of up to 5Gbps Support for older USB 2.0 (480Mbps) and 1.1 (12Mbps) devices Connector A USB 3.0 A female Connector B USB 3.0 A male Cable gauge 28AWG. As your request for inner packing. Outside by export carton.