Startechcom flush mount expresscard adaptors startechcom ecusb3s11 the ecusb3s11 flush mount 1 port usb 30 expresscard from startechcom lets you add a single usb 30 port connection to your laptop through an expresscard slotthe usb 30 adaptor uses a unique form factor design that allows it to sit fully in a standard 34mm expresscard slot without sticking out the port sits virtually flush with the sides of the laptop enabling you to leave the card installed even while on the move with