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Tom's Guide > Forum > CPU & Components > Other Components > [Solved] CPU rear fan size?

[Solved] CPU rear fan size?

Forum CPU & Components : Other Components [Solved] CPU rear fan size?

Best answer from davcon.

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Hi all, I have a cooler master cm 690 ll case (Not Advance).
I want to add a fan behind the CPU on mother board.
What size fan could I get for the small vent behind the CPU.
Would I have that fan pulling air in or pushing it out?

Thanks all

Reply to gerry410
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Best answer

80mm in that mount.
You'd have to experiment what yeilds best temps.
I'd probably use it as an intake if you have any vrms on the back of your mobo.
I have that case and have never felt any need to add a fan there.
Best additions to that case for cooling are 2x140mm top exhaust and a 120mm on back of hdd cage for gpu cooling.

Reply to davcon

I have that case i think that is 80mm fan. I never add a fan there.

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Reply to sosofm

Best answer selected by gerry410.

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Reply to gerry410

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