Imagine if "Inflatable Air Blower" no very firmly fixed on the heat sink, but a very loose, so fans in the high-speed rotation process will produce what kind of phenomenon it will certainly be a lot of people blurted out, fans will certainly generate very strong noise, in fact, this argument is very one-sided. Although a number of fans on the market are the cooling fan is firmly secured to the heat sink, but there are fans do not have to "Inflatable Air Blower" is fixed directly to the heat sink, but fixed in a plastic frame. We are aware of the source of noise of the fan is caused by resonance, in order to reduce the noise caused by this reason, many fans through an elastic plastic frame is fixed, so as to play a role in preventing resonance. After this fan fixed directly onto the plastic frame, plastic frame and then through the buckle fixed to the heat sink, gently press "Inflatable Air Blower" four corners, they will find that there is some room for sports fans of space to do so and not fixed too strong, but in order to reduce fan noise during the operation to take special design.