CPU Coolers
Modern CPUs consume a lot of power—as much as 130W. That power ends up as waste heat. In effect, a modern system has the equivalent of a 50W to 130W incandescent lightbulb burning constantly inside the case. That analogy understates the problem—a lightbulb dissipates its heat from the relatively large surface of the bulb. A processor must dissipate the same amount of heat over the much smaller surface area of the processor die, typically about 0.25 square inch. Without an effective heatsink to draw away this heat, the processor might literally burn itself to a crisp almost instantly.
Nearly all systems deal with this heat problem by placing a massive metal heatsink in close contact with the processor die (or integrated heat spreader) ...
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