A heat dissipation assembly includes a blower holder, a blower, a first heat sink and a second heat sink. The blower includes an inlet and an outlet and is attached to the blower holder. The blower holder is secured to the first heat sink with the inlet of the blower exposed to the first heat sink. The second heat sink is mounted to the blower holder and confronts the outlet of the blower. The second heat sink thermally connects with the first heat sink via heat pipes.