Question Recommended/Normal fan speed RPM for i7 4790k stock cooler

danny009

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Apr 11, 2019
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What is the recommended/normal/safe CPU fan speed for a Intel i7 4790k running on a stock cooler? More info below if that helps

CPU more than 5 years old with its stock fan since we got it,
I always sleep mode and turn off PC at nights
Never played any game full time all day
I increased fan speed from my BIOS to manual (asus) with my selection of curve
Desktop idle/browsing RPM is around 1090-1200 with temp 34-39c (1080p60 video 45c max)
Gaming temps are mostly same since I do reduce cpu power and msi afterburner gpu fan to %57 - 48c-57c depends on the game though and in game graphics.

While in game, cpu RPM is around 1200-1450

What else I should do to protect both CPU and its fan lifespan?

I did put a home desk fan near of my pc case with its left case open for clear airflow since my case is not modern. I have air blower for dust to clean monthly

I watch with HWinfo

Thank you in advance
 

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