is it going to hurt having the fan constantly +/- 10-50rpm on different components

[Macgruber]

So I see multiple fans on the computer fluctuate and adjust to control the temp

the question that is very bad that i must ask is

if i dont manually set the limits to the fans is it ok?

example: one fan keeps going from 2109rpm to 2183 rpm every second on and off

its low is 2097 its high is 2269, should i be setting an average constant rpm to keep it cool or just let the hardware do it by itself?

i know its stupid to ask but i have to ask 🙁 is it going to hurt having the fan constantly +/- 10-50rpm on different components?

i just got the HAF 932 with a Contac H100 and im trying to figure out where i should make changes first... fan speed's / intake/exhaust fans or which and what

currently i have the big fan in the front as intake, the one at the top back as exhaust, the one on the side as exhaust (i think, left it as came) and the radiator at the top as exhaust

 

[Vectronic]

No it doesn't hurt it, and only a really good fan, and a really good board can keep a constant RPM (even then it's still ± 15RPM or so).

All the sort of "general" powered stuff on a motherboard is ± some degree of voltage, for instance the 3.3, 5.0, and 12v... will often waiver by 0.1 volts (there's actually specific limits on how much it can, part of the ATX standards, it's roughly ± 0.1v)

Then you have to factor in stuff like the CPU temperature changing by ±5 degrees, so if it's basing it's speed off temperature AND the voltage isn't very consistent... there's your ±80RPM.

If it's changing by a lot every second or two, like down to 1800, up to 2400... then something is going on.