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xChimmy
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How big is the rear fan on the hp omen obelisk?

Hp Omen Obelisk
Microsoft Windows 10 (64-bit)

I want to change the rear fan on my hp omen obelisk  but I don't know the size. My specific Hp Omen Obelisk is the 875-1009. 

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How big is the rear fan on the hp omen obelisk?

@xChimmy,

I should ask why? Just need to replace it, or much faster fan (more noise is likely).

Then tell you that the fan is a PWM 4 pin fan. The mounting bolt pattern is a particular fan size. Here is how to determine the fan size.   When you answer that question,  I can respond.

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