What's the Best Intake to Exhaust Fan Ratio for 9 Fans?
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DustyVentures88
I know having 9 fans sounds excessive, but my room gets really hot this time of year and tends to get dusty, so I'm looking for the best circulation setup. How should I configure the number of intake fans versus exhaust fans among those 9?
Answers
I've found that a configuration with 10 fans gave me the best temps: 3 intake from the bottom, 3 from the front, 1 exhaust from the rear, and 3 exhaust from the top along with an AIO cooler. Everyone has different experiences with fan setups, so find what works for your room's heat.
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Always better to have more intake fans to maintain positive pressure inside the case. Aim for at least a 5:4 ratio of intake to exhaust, or even 6:3 if possible.
DustyVentures88: Sounds great! I’ll definitely have 10 eventually, so 6 intake and 4 exhaust sounds like a solid plan.
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Typically, a good setup is around 5 intake fans and 4 exhaust fans or even 6 intake to 3 exhaust. The reason for more intake is that intake fans often work against filters or radiators, which can hinder their airflow. Having a slight positive pressure with more intake helps keep dust out.
CoolBreeze88: Totally agree! Just remember to put dust filters on all your fans. If you're dealing with dust and heat, consider liquid cooling too; even a basic AIO can help manage temperatures.
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From my experience, having 4 intake and 1 exhaust works, but it can still let in some dust. Aim for a good airflow pattern - front to back, bottom to top. More intake fans can help create positive pressure inside the case, reducing dust getting sucked in from cracks.
DustyVentures88: I appreciate that advice! I'm planning to add a few more exhaust fans to balance it out, but I know I can't eliminate all dust. I’m also getting an air purifier for my room.
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DustyVentures88: I'm gearing up to have 10 fans too! I think I’ll need an extra exhaust to keep things balanced. Thanks for the tips!