We are referring to "Cooling Fan Manufacturer", usually refers to the shape of the composition of the cooling fan heat sink. Due to the shape of the cooling fan inlet and exhaust great influence, and intake and exhaust will be directly related to the final cooling effect, so in a sense, "Cooling Fan Manufacturer" shape the work of the fan performance also has a certain impact. Common heat sink is casting into common shape just a few more leaves, "leek" shape, the cooling effect of this heat sink is the most common. More upscale "Cooling Fan Manufacturer" heat sink using aluminum mold made by lathe turning, turning shape after multiple columnar projections showed that this heat sink used on high-end graphics cards and some foreign original machine's CPU (there many foreign original machine simply does not use a fan, use only this heat sink).