An cable connector assembly (500) for high-speed transmission includes a first electrical connector (1) defining a first mating port, a second electrical connector (2) defining a second mating port different from the first mating port (100), cable means (3) electrically connected to the first electrical connector (1) and the second electrical connector (2), and a plurality of wire spacers (5) used for fixing the wires of cable means (3) so as to trim and solder them easily.