What's the average total lifespan of a intel cpu stock fan? Mine is a i7 4790k with daily usage below (always) 50-55c temperature, desktop idle temp is around 40-49c including video watching on YouTube and gaming always below the max 55c, should I switch to Passive cooling under windows power settings at control panel, or should I stick with active. I can't get a new fan especially now so I must guard the lifespan of both cpu itself and its fan. I'm using this CPU/fan since more than 4 years, I went into hard times getting around 75c-85c when I first get it due to I discovered the power settings 3-4 months later, but it was long time ago and since then always stayed below 55c including video editing and gaming.
Thank you in advance
Thank you in advance