The adapter is a converter to convert the available USB 2.0 header of a motherboard into a USB 3.1 header. The compact adapter can be inserted directly and requires no additional attachments. Converter plug-in for the mainboard, Fits into any USB 2.0 header. Bundling in USB 2.0 with up to 480MBit/s. Convenient accessory for case with USB 3.1 connector.