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I got around to testing temperatures and noise using a less aggressive fan curve. This is what I'm at now:

  • <40 C: 25-35% speed
  • 40-50 C: 35-50% speed
  • 50-60 C: 50-70% speed
  • 60-70 C: 80-100% speed
  • >70 C: 100% speed

The system idles a little hotter at 28 C, but I'm seeing identical temperatures under load with this new fan curve. If anything, temperatures were slightly lower; the highest temperature I saw was 50 C under full synthetic load. This doesn't make a whole lot of sense to me, but data are data. Maybe I'm running into the "upper limit" of cooling that's possible with Intel's thermal interface under the IHS, regardless of the fan curve I set. That's the only reasonable explanation I can come up with, at least.


Regarding sound - I can only hear the fans under full synthetic load, and even then they are barely audible.


This setup is really overkill for the 8700T. It seems that 50% speed on all the fans is sufficient to cool the system under full load. I'm pleasantly surprised by how silent it runs as a result. I think I'll soften the fan curve some more to see how much quieter I can make it.