As the source of computer energy, more and more people pay attention to the importance of the chassis power supply, but the importance of the power supply fan is still ignored by most consumers. As a result, the noise of the power supply fan suddenly increased. The reason is that since the fan is in operation all the year round, a lot of dust has accumulated on the fan blades and the electric shaft of the fan, and a lot of noise is generated by friction during the rotation process, which seriously affects the service life of the fan.

Therefore, when purchasing a power supply, you should pay more attention to the design of the power supply fan. If the power supply fan has a major breakthrough in the dustproof design, consumers may wish to pay more attention.

In addition, another point of concern about the case fan is its cooling capacity. The heat inside the power supply cannot work stably only by natural dissipation, and must rely on the airflow of the fan to assist in heat dissipation.

In order to achieve better heat dissipation, some power supplies not only have a fan at the rear, but also a suction fan at the lower part of the power supply. The advantage of this design is to strengthen the air convection inside the power supply, allowing cold air to enter in time and hot air to be discharged in time. However, this approach also brings a disadvantage, that is, the fan brings in more dust.