A cable assembly (1000) includes an insulative housing (11); a plurality of contacts (13) mounted to the insulative housing, and each of the contacts having a retention portion, a mating portion and a tail portion, said tail portion (133) defining a longitudinal slot (1331); a cable (14) having an insulative jacket and a plurality of wires enclosed by the insulative jacket, partial of the insulative jacket of a front segment of the cable stripped off to expose the wires outside; a back cover (12) assembled to the insulative housing to urge the wires into the longitudinal slots and the wires bent to round the back cover and the cable extending along a longitudinal direction.