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The CPU Heat Sink can be divided into three types: air cooling, heat pipe and water cooling according to its heat dissipation mode.
Air-cooled Heat Sink
Air-cooled heat sink is the most common type of heat sink, including a cooling fan and a heat sink. The principle is to transfer the heat generated by the CPU to the heat sink, and then take the heat away by the fan. It should be noted that different types and specifications of CPU use different heat sinks. For example, AMD CPUs and Intel CPUs use different heat sinks. Intel 478-pin CPUs use different heat sinks and Intel 775-pin CPUs, As shown in Figure 1.
The heat pipe heat sink is a heat transfer element with extremely high thermal conductivity. It transfers heat through the evaporation and condensation of the liquid in the fully enclosed vacuum tube. Most of this type of fans are "air-cooled + heat pipe", which has the advantages of both air-cooling and heat pipe, and has extremely high heat dissipation. As shown in Figure 2.
The water-cooled heat sink uses liquid to forcefully circulate under the drive of a pump to take away the heat of the radiator. Compared with air cooling, it has the advantages of quietness, stable cooling, and less dependence on the environment. As shown in Figure 3.
How to choose your own suitable CPU heat sink, it is very important to choose a good cpu heat sink. The following are some suggestions about the heat sink from Pioneer Thermal.
Fan Power Of CPU Heat SinkIn general, the greater the power, the stronger the wind of the fan, and the better the heat dissipation effect.
Fan speed: Generally, the higher the fan speed, the greater the air volume it provides to the CPU, and the better the air convection effect will be. However, the extremely high speed will bring heat and aggravate the wear of the fan, so it is necessary to strike a balance between the two.
Heat Sink Material
The heat sink widely uses low-cost and good heat dissipation aluminum alloy as the heat sink. At the same time, in order to improve the overall heat dissipation effect of the radiator, medium and high-end radiators use copper media with better heat dissipation effects where they are in contact with the CPU heat dissipation core.
Fan Noise
Refers to the sound made by the fan during operation, which is mainly affected by fan bearings and blades.
Fan Exhaust Volume
The fan exhaust volume is an important indicator to measure the performance of a fan. The angle of the fan blades and the speed of the fan are all decisive factors that affect the exhaust air volume of the cooling fan.
- CPU Heat Sink
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