A heat dissipating system of a personal computer has a heat dissipating
unit; the heat dissipating unit including a power supply; the power
supply including a housing and a cover; a circuit and a double suction
turbine fan being placed in a space formed by the housing and cover; the
double suction turbine fan having a casing and a set of blades; an upper
and lower surface of the double suction turbine fan having respective air
inlets; one lateral side of the double suction turbine fan having an air
outlet; one side of the casing of the power supply having air outlets,
receptacles, and a power switch; another side of the casing of the power
supply having a plurality of holes arranged like a net; a lower side of
the cover having a round hole corresponding to the air inlet.