An electrical connector assembly (100) includes a housing (10), a number of signal terminals loaded in the housing (10) and a stiffener (11) disposed around the housing (10), a metal clip (13) and a lever (12) attached to two opposite sides of the stiffener (11), wherein a securing plate (15) is disposed between the metal clip (13) and the chip module (14), and the securing plate (15) is mounted above an upper surface of the chip module (14).