How Many Intake and Exhaust Fans Do I Need for My Build?

December 30, 2025 2 answers
Asked by TechWhiz42
Hey everyone! I'm upgrading my fans and could really use some advice on how to set them up. I'm planning to use Lian Li Uni fans for my build. Right now, I have a total of six fans: two from my AIO cooler, one on the side, and three at the top. I'm thinking about adding three more fans at the bottom. Here's my current layout idea: Top fans as exhaust, the AIO cooler as intake, maybe side fans as intake, and bottom fans also as intake. Any suggestions or guidance would be super helpful! Check out this link for my case setup: https://imgur.com/a/bDW9K19

Answers

FanaticBuilder22
I have the same case and I went with AIO side intake, three intakes at the bottom, and three exhausts at the top. I even skipped adding a rear fan entirely and it worked out well! Maybe you could try something similar.

TechWhiz42: I might do that, thank you!!

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CoolGadgetGuy89
Which case are you using? Often the manufacturer will have specific recommendations for fan setups that can help optimize airflow.

TechWhiz42: Itโ€™s a Lian Li O11D mini ATX.

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