A socket connector (1), used for receiving a CPU (central processing unit), includes an insulative housing (11) defining a plurality of passageways (113), a plurality of electrical contacts (14) received in the passageways, a metallic reinforcing plate (10) receiving the insulative housing, a cover member (12) pivotally mounted to the reinforcing plate, and a lever (13) attached to the reinforcing plate, pivotally driving the cover member to move toward the insulative housing. The lever rotates along a same direction as the cover member.