PC Airflow - the basic guide | Techie Show
Airflow in PC cases - the basic guide and stuff you need to know.
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When we’re talking about airflow and desktop PC's we’re referring to how the air moves inside the case. And we want cool air to come in, and hot air to go outside of the case.
Based on how many intake and exhaust fans you have, you might have a negative, close to neutral or positive pressure inside the case.
Negative pressure refers to having more exhaust capacity than intake.
Positive pressure refers to having a higher quantity of air coming into the case than exiting. In other words, more fans bringing air into the case than those used to take out the hot air.
I always prefer positive pressure as it amounts to less dust build-up because we can control the air that’s coming in. Obviously, if we have dust filters and clean them once in a while. When we have a negative pressure, the case sucks air through all its gaps, and as most of them won't have dust filters, we get more dust into the case.
As far as fan positioning goes, usually front and bottom for intake, and back and top for exhaust. Because hot air rises.
Thanks for watching the PC Airflow basic video! :-)
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