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Already got the new psu cooler master v850 and it turns out, that the thermaltake psu is the culprit, which causes really loud noises.

Not only it has coil whine, it has also bad fan curve. For everyone who thinks to buy this psu, please avoid it.

As you recommended, i did some changes on the fan curve too and my pc became quieter right now.

And i also put the fan duct NA-FD1 at the fan and it helps too to make the cpu even cooler, but only for heavy load scenario.

I tested my pc by playing AC Odyssey. Without duct it reached 77-81°C and right now with duct the temperature is around 66-68°C.

Now in idle the temperature stays at 52-53°C and in light work around 55-60°C

So thank you so much for your reminding to use the curve optimizer.