The present disclosure provides an electrical connector comprising a connector body, a plurality of signal terminals, and a cover. The connector body comprises a plugging slot, a cover accommodating notch, and a plurality of signal terminal slots. The plurality of the signal terminal slots is disposed between the plugging slot and the cover accommodating notch. The cover accommodating notch communicates with the plugging slot through the plurality of signal terminal slots. The cover accommodating notch comprises two opposite sidewalls. An abutting member is disposed on one side of the sidewall. A limiting block is disposed at one end of each of the sidewalls away from an end surface of the cover accommodating notch. The plurality of signal terminals are respectively disposed in the corresponding signal terminal slots. The cover is disposed in the cover accommodating notch and covers the plurality of the signal terminals.