How does dust actually slow down electrical devices?

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Was just cleaning out my console and got me thinking about how the dust that gathers actually affects performance as it gathers on the outside of the device.

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Anonymous 0 Comments

Semiconductors generate heat when they’re being used, and die if they get too hot. Modern processors have temperature sensors and will decrease clock speed and voltage if they get hot, to keep themselves from dying.

Dust makes it harder to keep those parts cool, making them more likely to thermally throttle. The thermal throttling is what you notice as a performance degradation.

It’s the dust INSIDE the device that matters, unless the outer case is used as a heatsink.

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