We mean "Micro Cooling Fan" shape, usually refers to the shape of the composition of the fan heat sink. Due to the shape of the fan inlet and exhaust a great impact, and inlet and exhaust will be directly related to the final cooling effect, so in a sense, "Micro Cooling Fan" in the performance of the fan shape also has some influence. More upscale fins using aluminum mold formed through lathe, turning the shape of a plurality of cylindrical projections was after this heatsink used on high-end graphics and some foreign original machine's CPU (there are many foreign original machine simply do not use a fan, use only this heat sink). There is also a fin-shaped "Micro Cooling Fan", is formed by bending the thin aluminum, it looks like accordion bellows, the cooling effect of this fin-shaped heat sink well.