Pls feel free to contact us if you have any question. USB3.0 Internal Header to USB 3.1/3.2 Type C Front Type E Adapter 20pin to 19pinFeature:1. Support all motherboard USB3.0/3.1 (19pin) ports2. Inte1 internal 20pin connector can be connected to the TYPE-C USB output terminal of the front I/0 panel3.USB3.0 internal 19pin connect to USB3.1/3.2 internal TYPE-C 20pin adapter4. Internal 20pin (Key A) interface support (Gen2-gen1), USB3.0 USB2.0 and USB1.1 devices5. No need to install drivers6.Vertical switching, small size, non-interference with multi-layer circuit boards in other positions, integrated differential signal optimization technology, stable signal, strong anti-interference ability.Specification:Type: Motherboard USB 3.0 TYPE-E AdapterModel Number: PH73SColor:BlackMaterial: ABS+MetalTransmission Speed: Support USB3.1 Gen2 10Gbps(Depending on the transmission speed of the host)Package including: 1x USB3.0 Internal Header to USB 3.1/3.2 Type C Front Type E Adapter 20pin to 19pin Note: Please allow minor deviation due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.