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how to control H100i fans?


xpressmusic

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how do i control the speed of the stock fans of the h100i , i try corsair link 2.2.0 and 2.3.4816 and the new beta 2.4.4948 and only 2.2.0 that view the 4770k temperature , so is it safe to control the fan rpm with the processor temperature , because i found many people say that you must control them to H100i water pump temperature , but i found it very complex , so is it safe to use 2.2.0 and control the fans rpm by the processor temperature !!?? and why people say that you better control by water pump temperature !?
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and why people say that you better control by water pump temperature !?

I couldn't answer that. It makes no sense. The water is always going to be way cooler than your CPU temps and won't accurately reflect the temps of your CPU. I'll watch core temps over the water temps any day!

 

There is no reason you cant control the fans by CPU temps.

 

Besides, It's YOUR cooler. Use it the way YOU want. Forget about what everyone else says.

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I couldn't answer that. It makes no sense. The water is always going to be way cooler than your CPU temps and won't accurately reflect the temps of your CPU. I'll watch core temps over the water temps any day!

 

There is no reason you cant control the fans by CPU temps.

 

Besides, It's YOUR cooler. Use it the way YOU want. Forget about what everyone else says.

 

what the way you are recommend me to use it , that if you had the H100i , how do you use it !? , because it's my first time to use any liquid cooler :)

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The problem with controlling the fans with cpu temp is that the Corsair link program has to be run after startup for the fan curves to kick in (manually). Setting corsair link to run at startup in the application settings does not make this happen. (causes strange fan speed issues for some)

 

If you set your fan curve by H100i temp you basically don't have to open the corsair link program ever again or have it run at start up. Your fan profiles are saved perfectly at the pump.

 

 

I currently have mine running with H100i temp to control fan speeds. I would like it to be via cpu temp but unfortunately its to much of a hassle as it sits right now.

 

Hopefully in the future this will work correctly, but who knows. Corsair hasn't been very open as far as its goals or if there any plans with the software.

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the reason its better to control the water temp is very simplistic actually.

adding a load on the computer will instantly spike cpu temps to a certain temp regardless and running the fans full tilt will not change this at all,when you see the water temp rising then the cpu temp will slowly rise also and this is where keeping water temp down really matters..,

an example

if a load is initiated and cpu temp goes to say 50c[nothing short of a load reduction will lower this]

ok,if water temp is maintained so will the 50c temp.

running fans at full will NOT lower the 50c load but most of the time raising fan speed will contain temp increases

this is why using cpu temps is less effective and most of the time just overkill and causing unneeded fan noise.

you cant contain set cpu temp spikes but you can water temp.

another reason for not using cpu is when water temps are up,stopping the cpu load will cause the fans to go to idle regardless how hot water temps are which will result in higher idle temps

run a hard load and get the water temp up real high,using cpu temp,now stop the load and cpu temp drops and so does the fans

now you have slow spinning fans having to cool high water temps...

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the reason its better to control the water temp is very simplistic actually.

adding a load on the computer will instantly spike cpu temps to a certain temp regardless and running the fans full tilt will not change this at all,when you see the water temp rising then the cpu temp will slowly rise also and this is where keeping water temp down really matters..,

an example

if a load is initiated and cpu temp goes to say 50c[nothing short of a load reduction will lower this]

ok,if water temp is maintained so will the 50c temp.

running fans at full will NOT lower the 50c load but most of the time raising fan speed will contain temp increases

this is why using cpu temps is less effective and most of the time just overkill and causing unneeded fan noise.

you cant contain set cpu temp spikes but you can water temp.

another reason for not using cpu is when water temps are up,stopping the cpu load will cause the fans to go to idle regardless how hot water temps are which will result in higher idle temps

run a hard load and get the water temp up real high,using cpu temp,now stop the load and cpu temp drops and so does the fans

now you have slow spinning fans having to cool high water temps...

 

 

 

+10

 

Well said. Pointless to raise fan speed until you have heat to remove.

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Its more about preference really.

 

An H100i temp of 35c vs 30c literally is only about 2c cpu temp difference at idle. I personally could care less about idle temps and more about full load temps.

 

 

As it sits currently it appears you have the options to choose either method (fan speed by H100i temp or CPU temp) in Corsair Link, but setting fan speeds off CPU temps is seriously crippled because of the issues I mentioned before.

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