A large number of integrated circuits are used in computer components. As we all know, high temperature is the enemy of integrated circuits. High temperature will not only cause unstable operation of the system, shorten the service life, and may even burn some parts. The heat that causes high temperatures does not come from outside the computer, but inside the computer, or inside the integrated circuit. The role of the radiator is to absorb the heat, and then radiate it to the inside or outside of the case to ensure the normal temperature of the computer components. Most radiators absorb heat by contacting the surface of the heating component, and then transfer the heat to a remote place through various methods, such as the air in the case, and then the case transfers the hot air to the outside of the case to complete the heat dissipation of the computer. There are many types of radiators. CPU, graphics card, motherboard chipset, hard disk, chassis, power supply and even optical drive and memory all need radiators. These different radiators cannot be mixed, and the most common one is the CPU radiator. .
Heat sink material refers to the specific material used for the heat sink. The thermal conductivity of each material is different, arranged from high to low in terms of thermal conductivity, which are silver, copper, aluminum, and steel. However, it would be too expensive to use silver as a heat sink, so the best solution is to use copper. Although aluminum is much cheaper, it is obviously not as good as copper in thermal conductivity (only about 50% of copper). Commonly used heat sink materials are copper and aluminum alloy, both of which have their own advantages and disadvantages. Copper has good thermal conductivity, but it is more expensive, difficult to process, heavy (many pure copper radiators exceed the weight limit of the CPU), small heat capacity, and easy to oxidize. The pure aluminum is too soft to be used directly. The aluminum alloy used can provide sufficient hardness. The advantages of aluminum alloy are low price and light weight, but the thermal conductivity is much worse than copper. Some radiators take their own strengths and embed a copper plate on the aluminum alloy radiator base. For ordinary users, the use of aluminum heat sinks is sufficient to meet the heat dissipation requirements.