psu fan vibrate at full speed

Bill Hilly579

Reputable
Aug 31, 2014
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I later discovered something about my psu.not sure if that's normal but I noticed if I put my psu fan to very high rpm or to the max the psu starts to make a vibrating sound.however when I have set the fan speed either low or high I don't get any vibration whatsoever.not sure if its normal or not.im using corsair rm 850i psu and I have the fan facing down.like I said the fan vibration kicks in when I have fan setting maxed out in corsair link.during normal use I don't hear fan vibration