This 15cm adapter cable is the ideal solution for those who want to recover the front USB 3.0 ports of the case on motherboards that only have USB 2.0 connectors (header). It allows to connect the standard 19-pin connector of modern front panels directly to the 9-pin USB 2.0 header pins of the motherboard. It is the indispensable tool for hardware updates or for the use of recent homes with motherboards of previous generations, ensuring full functionality of external doors. The cable is flexible and coated in durable material, facilitating cable management even in tight spaces. Technical Note: The data transfer speed will be limited to the USB 2.0 standard (480Mbps), as determined by the source on the motherboard. Main technical specifications Connector A: Header USB 2.0 to 9-Pin Male. Connector B: Header USB 3.0 to 19-Pin Female. Cable length: about 15 cm. Compatibility: Universal for all homes with internal USB 3.0 connector and motherboards with USB 2.0 header. Construction: Shielded cable with coloured wires for easy pin identification (VCC, Data-, Data+, GND). Installation: Plug and Play, does not require software configurations.