Connector1: USB 3.0 20Pin Socket.
Connector2: USB 3.1 20pin Front Panel Header. The adapter is a converter to convert the available NVME of a motherboard into a USB 3.1 header.. Thus the USB 3.1 port of a housing can also be supplied with USB 3.1 without a suitable mainboard.. The compact adapter can be inserted directly and requires no additional attachments.