An electrical connector adapted to electrically connect with a plug-type electrical connector of the periphery equipment of the computer. The electrical connector includes a housing, an insulating body, a plurality of first conductive terminals, and a plurality of second conductive terminals. The insulating body having a frame and a terminal block positioned within the frame. The plurality of first conductive terminals positioned along a first surface of the terminal block, while the plurality of second conductive terminals are positioned along a second surface of the terminal block. The plurality of first conductive terminals include a first ground terminal, while the plurality of second conductive terminals include a second ground terminal, and the first ground terminal and the second ground terminal share one free end leading out of the electrical connector.