“What are the sizes of the exhaust fan and the cpu fan? I'm looking to upgrade because the fan is running a lot hotter than I would like.”
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The reason the i7-9700f CPU is overheating is due to faulty power allocation which locks the CPU into an over-clocked state (4.6GHz). (This is possibly due to a poorly designed HP motherboard). There is an easy band-aid type fix. To remedy the situation in Windows 10, right-click on the Start Button, go to 'Power Options' , 'Change Plan Settings', Change Advanced Power Settings', scroll down to "Processor Power Management". The 'Maximum Processor State' is by default set to 100%. This is normal on every PC, but on the OMEN the 100% setting locks the CPU into an overclocked 4.6GHZ. Crazy! To lower the CPU temps, you have to adjust the "Maximum Processor State" setting to 90%, which will lower the CPU clock to 2.7 Ghz. At that clock the CPU temps are reasonable. With any other computer the clock rate varies from 800MHz to 4.6GHz depending upon CPU load, but here it is stuck at one frequency. So the HP Omen is perhaps a defectively engineered product. You can check out all the details of clock-speed and core-temps using MSI AfterBurner software. I wouldn't bother upgrading the fans since that's not the real issue. I
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