![]() ![]() ![]() This will give cool air directly to the intake fans on the GPU itself. If your case allows it, install fans pushing air upwards towards your GPU on the bottom. (There can be exceptions to this, such as in small form factor builds.) You generally want to have both intake and exhaust fans. The idea is simple: Fresh cool air in, hot air out. Intake and exhaust placements might be the single most crucial concept for proper fan placement. How do you achieve positive airflow? Easy: Just have more intake than exhaust fans, or run your intake fans slightly faster than your exhaust if they’re in equal number. (This setup usually results in more dust entering your PC, which you can mitigate with dust filters or more frequent cleaning.) For optimal cooling performance in a standard system, you want to be slightly more on the positive airflow side. Negative pressure pulls more air out, often creating a vacuum effect. When fans pull in more air than they push out of a PC case, it creates positive pressure. Fans with high airflow are great as intake or exhaust on your case as they can move large amounts of air. Fans with higher static pressure are ideal for moving air through dense water-cooling radiators. The type of fan matters too, though much less so than having them all configured in the right way. Our guide to telling which way your PC fan is blowing can help if you need it. Air exits out of the back, where the technical information may be written about the fan. If they don’t, a good rule of thumb is that air will almost always flow in from the front, where the branding sticker generally is. Some fans will have an arrow indicating the correct flow direction. How you point your fans determines whether it sucks in cool air or spits hot air out of your system. ![]()
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