An electrical connector includes an insulative housing, a plurality of terminals secured in the housing, a metallic cover pivotally mounted to a rear end of the insulative housing and covering the insulative housing and at least one magnetic board lock secured at one side of the insulative housing and spaced with a distance from the rear end of the insulative housing. The at least one magnetic board lock assist to hold the cover by magnetic attractive force produced between the at least one magnetic board lock and the metallic cover on the insulative housing.