For chassis heat also play a cooling effect of the air volume will cause insufficient heat accumulation circulating inside the chassis. Exhaust "Mini Air Cooling Fan" surrounding hinder relatively much less, then the air pressure is much larger than the amount of the claim. 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 a top layer of thermal windows only punch mesh design, it is characterized by the use of wind capacity fan is a good choice. Similarly to the "Mini Air Cooling Fan" for example, just from the looks of it, the more moderate blade pitch angle and curvature, as well as a greater number of blade design, so that each blade are exposed to greater air area, so that the same more airflow through time. And by many players favorite "Mini Air Cooling Fan" is also a known air volume product. Tilt angle blade from the appearance, most wind capacity fan blades have more and more relaxed as the number of features.