An interface couples a host device and a peripheral device. The interface includes at least one tab integrally formed and extending from a main body of a printed circuit board. The at least one tab has a plurality of contact pads. The interface also includes at least one keying feature integrally formed with an enclosure of the peripheral device. The at least one keying feature configured to guide a receptacle connector of the host device into connection with the plurality of contact pads on the at least one tab.