A cable connector and an insulating housing configured for the cable connector. The insulating housing includes a body portion, a power mating portion, and a snap-fit member. The body portion has a first surface and a second surface disposed opposite to each other in a first direction, and a third surface and a fourth surface disposed opposite to each other. The first surface and the second surface are connected between the third surface and the fourth surface, and a plurality of first channels are formed therein along the first direction. The power mating portion is disposed on the second surface and has a plurality of column bodies. Each of the column bodies has a first end connected to the second surface and a second end. The plurality of first channels respectively penetrate the plurality of column bodies.