Startechcom 1 port flush mount expresscard superspeed usb 30 card adapter with uasp support add a usb 30 port connection that inserts flush into a laptop expresscard slot unique flush mount form factor design superspeed usb 30 compliant host interface with support for transfer rates up to 5 gbps uasp support for more efficient data transfer provides up to 850ma of power over usb backward compatible with usb 201x devices works with most windows based operating systems compliant with usb 3