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Do I Really Need Bottom Fans for My PC Build?

December 11, 2025 5 answers
Asked by TechSavvy23
I've got all the components ready for my PC build, and I just realized there's space for 3 intake fans at the bottom, but they aren't included with my case. I'm using an AIO radiator at the top, so I'm wondering if it's essential to buy extra bottom fans for around 40€ or if I can skip it. By the way, prices have changed since I made my purchases—like my RAM, which was about 200€ before.
AIO radiator bottom fans fan performance Hardware hardware PC build PC cooling

Answers

GamerDude99
Bottom fans aren’t necessary, to be honest. You can definitely run your setup fine without them.
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ChillBuilder_42
Why not just try it without the fans? If your temps are good and it’s not loud, then you’re all set!
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CoolGamerX
The bottom fans can have a big impact on your GPU temps. So while not a must, getting some might be worth it! Plus, you can find decent fans for around $3.80 each.
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RAMWizard77
Seriously, I’m more worried about your RAM prices! Have you checked local markets? I’m in the US, and I’ve seen 32GB of DDR5 for way less than what you mentioned.

CostCutter99: I highly doubt it, especially at 6000 MT/s CL30. Prices are just crazy right now.

BudgetBee41: Prices are wild here in Portugal. I ended up getting my RAM for around 210€.

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FanaticBuilder101
Not necessary, but I’m all for having extra fans. If I had the slots, I’d definitely add them for peace of mind! Plus, it helps with airflow, and who doesn’t want better cooling?
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