For consumers select "Waterproof Cooling Fan" first things to learn is to choose your own chassis 12cm, 14cm or bigger fan, fan size increases will bring more significant shock effect. Recommend consumers choose more 12 or 14cm fan more affordable. Both the size of the cooling fan in addition, can also have a good acoustics. Choose a suitable own "Waterproof Cooling Fan" is not difficult, using a fan inside the chassis is undoubtedly the two, one is one is the amount of wind pressure. Large wind pressure fan for CPU and chassis front panel and is equipped with an air filter and a hard disk rack chassis. Winds of "Waterproof Cooling Fan" or rear of the chassis for the top position, so that the heat can be ruled out, will not cause heat accumulation.