The described technology provides a removable apparatus comprising a printed circuit board (PCB) including a plurality of electrical components, a plurality of contact pads configured on at least one of a top surface of a connector plane and a bottom surface of a connector plane to connect the electrical components to one or more contact pins of a receptacle, and one or more ground pads configured to be connected to the one or more contact pins of the receptacle, wherein the one or more ground pads are placed in between the PCB and the plurality of contact pads and connected to a ground terminal of the PCB.