Declared 1900 rpm, but in fact I have ~ 2125, I measured it with different programs. In UEFI, you can adjust the speed, 60-100%, at the lower and upper temperature thresholds. The upper one can be set, I set it to 60. The lower one is 40 and does not change. Installed on the back wall for blowing. Tried blowing: almost no change. And on blowing at the maximum load of all computer resources, the temperature dropped by 3-8 degrees (processor by 4-5, video card by 7-8, motherboard by 7-8, hard drive by 3-4). Now all temperatures are more than normal (before that they were on the verge of or slightly above normal).
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