This M. 2 expansion adapter turns spare M. 2 M-Key NVMe slot into two Type-E USB 3.1 front panel sockets with 10Gbps transfer speed. It solves the shortage of motherboard internal Type-E interfaces without occupying PCIe slots, ideal for connecting chassis front USB-C and USB-A ports, internal card readers and other built-in USB peripherals. Simple installation, stable signal transmission for daily high-speed data transfer.