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Richard1987
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case fan

HP Recommended
hp omen 870-224
Microsoft Windows 10 (64-bit)

I have been looking around and can't find the answer. I am wanting to upgrade the fan and add one more to the computer. But my question is how big is the exhaust fan on the on the back of the case? I've seen 80 or 92mm but can't find an exact answer. I looked at a spec page and couldn't find it.

 

hp omen 870-224

i5-7400

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wb2001
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@Richard1987 

Here is a site that will show you how to measure it.   92mm = 3.66 inch.  From research, typical rear case fans are 3 wire.  Low noise is 20 dB or less. Example.      You going to hear this at 33dB when it runs full speed.

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