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buildapc

Quick question about PWM.

Does PWM automatically ramp up/down your fans according to temperature or is it dependent on user setting?

1 Answers
Contributor
22 people found this helpful

PWM is essentially meant to increase efficiency between the variable speeds. The variable speeds aim at a target maximum temperature. Typically that has a default, but it can often be user defined as well. So the answer to your question is basically, "Yes." PWM changes fan speed based on temperature and user setting.

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