An electrical cable connector assembly (1) includes a contact module (20), an upper cover (40), a lower cover (50), a pair of fastening members (60), an electrical cable (70) and a pair of screws (80). The contact module has an insulative housing (22) assembled with the lower cover, a number of electrical contacts (24) mounted to the insulative housing and a printed circuit board (26) assembled to the insulative housing. The electrical cable is electrically connected with the electrical contacts through the printed circuit board. The upper cover is assembled to the lower cover with the help of the screws and together with the upper cover movably secures the fastening members therebetween. Each of the fastening member includes a transitional portion for engaging with an engaging section of a passage defined by the upper and the lower covers.