Of course, even the best, even if there is a "220V Cooling Fan" no wind or no wind to blow big enough that it is impossible to turn it up and turn fast. There is a light horses, are some of the horse in front of him can be frail or sick horses again or that are run only a few hundred meters a day of ordinary horse. This time is called the horses from selected Maxima, this is not what can not make bricks without straw, is it? Even the best companies, the following are some of the lazy workers and the results are not put into words the. Windmill "220V Cooling Fan" timely sucked the heat of the CPU, but also make their own temperature; small fan supply temperature will be lower, and will avoid the presence of airflow dead zone at the top of the chassis. If you are under the power of the chassis, a large windmill fan directly into the wind from the outside of the chassis, power supply will be very cool, is conducive to stable power, long life, but dust will be relatively large; small "220V Cooling Fan" Power will not be cool, but it will not become cleaner. Some people like to set a large windmill power under the anti-wear, are interested can try.