"Micro Cooling Fan" for chassis heat also play a cooling effect, air volume will cause insufficient heat accumulation circulating inside the chassis. Exhaust fan surrounding hinder relatively much less, on the amount of wind is much larger than wind pressure requirements. At the same time, the heat inside the chassis can be more quickly discharged outside of the chassis. In addition, most of the chassis side and top heat only one punch mesh window design, "Micro Cooling Fan" so characterized by the use of wind capacity fan is a good choice. Similarly to cat fan, for example, just from the looks of it, P12 with respect to the previously mentioned S12B, the more moderate inclination and curvature of the blade, as well as a greater number of blade design, so that each blade are exposed to air a larger area, making the gas flow at the same time by more. And by many players favorite NMB-B19 is also a fan in wind known products. Tilt angle blade from the appearance is "Micro Cooling Fan", most of the winds of the fan blades have more and more relaxed as the number of features.