The internal 2opin (key a) interface supports (gen2-gen1) usb3.0usb2.0 and USB1.1 devicesModel Number: TYPE-E interface 90 degreesVertical transfer, small size, non-interference with other multi-layer circuit boards, integrated differential signal optimization technology, stable signal and strong anti-interference ability.All mainboard USB3.0 / 3.1 (19pin) interfaces are supported. Intel internal 20-pin connector can be connected to USB type C output of front I / O panelUSB3.0 internal 19pin connected to usb3.1 / 3.2 internal type-c20pin transferModel: ph73sTransmission speed: usb3.1 Gen2 up to 10Gbps (depending on the transmission speed of the host)Product interface: USB3.0 19p usb3.1 type-EProduct function: transfer mainboard 19p or expansion card 19p to type-E interfaceColour:blackMaterial:ABSSize:3.9 x 2.3 x 0.3cmPackage Contents:1 * Motherboard ConnectorOnly the above package content, other products are not included.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.