Add two flushmount usb 30 ports to your expresscard enabled laptopr r unique flush mount design fits seamlessly into expresscard54 slots eliminating the worry of snagging or hitting the cardr superspeed usb 30 connectivity at up to 5 gbps while still backwards compatible with usb 201xr an optional external power connector allows for more power for high powered usb peripheralsr r the ecusb3s254f 2 port flush mount usb 30 expresscard adapter uses a unique form factor design that allows it