A cable connector assembly includes: a plug connector including plural conductive terminals; a cable including plural core wires, a braided layer coated the core wires, a cap coated the braided layer, and a metal member; a printed circuit board (PCB) including a first surface and a second surface opposite to the first surface, the plug connector being mounted on the first surface of the PCB; wherein the first surface of the PCB has three grounding holes at one end of the PCB, the second surface has plural conductive pads, the metal member includes a ring clamping the braided layer and a grounding portion extending from the ring, the grounding portion includes three grounding fingers inserted into the three grounding holes, respectively.