Front fan positioning

Calcium20

Reputable
Dec 23, 2014
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So I'm going to buy a new fan for my case and it will be going right to the front. The front section of my case has two slots for it to fit, a lower and higher area.
What would be the best location for the fan?
I'm only guessing that the lower fan would cool the GPU while the higher would cool the CPU more. Any information at all would be useful 😀