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Computer cooling refers to the many ways of removing waste heat from computer components such as the CPU and GPU. Cooling is necessary to ensure the reliable operation of these components as overheating can lead to hardware malfunction or failure.

The most common computer cooling solution is a fan attached to a heatsink in contact with a CPU or GPU. Power supply units typically have one large fan for removal of heat from within the computer case as well as the PSU itself, while computer cases often have fans attached to them as well. More advanced cooling solutions such as liquid cooling are often used with overclocked processors and sometimes graphics cards when air cooling is not sufficient.

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