A socket and a plug for a high-speed connector configured to implement communication and transmission of multiple channels of high-speed signals are disclosed. The socket according to an embodiment of the present invention includes: a shell and pins; the shell has an opening configured to accommodate a plug for the high-speed connector; the pins include upper-layer pins and lower-layer pins; the upper-layer pins are set at one side of an inner wall of the opening, the lower-layer pins are set at the other side of the inner wall of the opening corresponding to positions of the upper-layer pins, the upper-layer pins are arranged in at least two rows of pin groups, and the at least two rows of pin groups are distributed in a staggered manner along a length direction of the pins.