External radiator for notebook computer

The invention relates to the technical field of heat dissipation equipment, and particularly discloses a notebook computer external radiator which comprises a shell, two supporting plates, two clamping plates and an elastic piece. The top wall of the shell serves as a heat dissipation wall, a notebook computer is placed on the heat dissipation wall of the shell, and a heat dissipation assembly is arranged in the shell. The two supporting plates are oppositely arranged on the outer surface of the heat dissipation wall, the two clamping plates are oppositely arranged between the two supporting plates, a containing space for containing a notebook computer is formed between the two clamping plates, the two clamping plates can move in the first direction to change the size of the containing space, and the elastic pieces are located between the adjacent supporting plates and clamping plates. The two ends of the elastic piece are connected to the middle positions of the supporting plate and the clamping plates in th