An electrical connector includes: a terminal module including an upper and lower module parts; a metallic plate positioned between the upper and lower module parts; an insulative base insert molding the upper and lower module parts with the metallic plate; a shielding shell enclosing the upper and lower module parts; and a fastener extending through the upper module part, the metallic plate, and the lower module part and beyond a bottom of the lower module part for mounting to a printed circuit board.