Help with fan speeds, loudness and annoyance!

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Info102

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Oct 10, 2013
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Hello all,
This is my build:
AsRock H55M-LE
Coolermaster K280
500W PSU
I3-540
Radeon 7750HD GPU

When I bought the case it came with a nice 120mm fan on the front which I joined up via molex 4 pin straight to the PSU. I kept with just this fan for a few days and could barely hear it at all.

I then went and purchased a Coolermaster Sickleflow to put as an exhaust fan (on the rear). I connected it all up and my holy cow it's loud! It's connected to the 4 pin 'Chassis Fan' socket, but the fan is only 3 pin, I thought that I would still be able to change the fan speed - however when I enter BIOS the fan is running at 1800RPM and no matter what I change the Chassis Fan speed setting to (it's level 1 currently) it is still insanely loud.

Is there anyway I can reduce the speed that it is running? I was thinking of changing it's plugs with the one that the CPU fan uses as I have been able to change that's speed easily; is this a good idea? All ideas are welcomed and thanked!
 
Solution
nukemaster
Some boards only control 4 pin fans now(it is cheaper and more easy).

Now for the real question that is a Gigabyte board or Asrock board. Gigabyte has NO listing for it. They do have a GA-H55M-S2H, while Asrock has a H55M-LE.

Either way, check the bios to see if it has a fan control option called VOLTAGE and not PWM.

Failing that, getting a 5 volt speed adapter would slow the fan down as would performing a 7 volt mod(you can do the 5 volt one the same way).

For future reference, if you like it quiet, get 800-1200 rpm fans as they tend to balance noise well. Faster fans are good for high performance cooling.

http://www.techpowerup.com/articles/other/137

If that does not seem like something you want to do, You can get a fan...
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chugot9218

chugot9218

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May 8, 2012
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I believe if it's a 3-pin fan you cannot control it through the BIOS or software, what you can do is install a fan controller, or often the fan will come with a voltage regulator (its an adapter that goes between the fan and your MOBO fan header) or two that will electronically slow down the fan speed. You could also purchase those separately if necessary.
 
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nukemaster

nukemaster

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Nov 23, 2004
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Some boards only control 4 pin fans now(it is cheaper and more easy).

Now for the real question that is a Gigabyte board or Asrock board. Gigabyte has NO listing for it. They do have a GA-H55M-S2H, while Asrock has a H55M-LE.

Either way, check the bios to see if it has a fan control option called VOLTAGE and not PWM.

Failing that, getting a 5 volt speed adapter would slow the fan down as would performing a 7 volt mod(you can do the 5 volt one the same way).

For future reference, if you like it quiet, get 800-1200 rpm fans as they tend to balance noise well. Faster fans are good for high performance cooling.

http://www.techpowerup.com/articles/other/137

If that does not seem like something you want to do, You can get a fan controller(most computer stores stores sell them) and dial the speed OR use a resistor to slow the fan down.
bef04984ad8e60e75eaf61d7d7ba1bbe.image.350x291.jpg
 
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Solution
I

Info102

Honorable
Oct 10, 2013
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No voltage regulator that I can find. I will look online for one shortly.
Which fan controllers that can be installed are good? I remember having slight issues with SpeedFan before (over a year ago), is this better now?
 
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I

Info102

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Oct 10, 2013
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Will have a look through that shortly.
Also, my mistake you are correct it is a ASrock
 
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chugot9218

chugot9218

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May 8, 2012
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A fan controller is not software, it is a hardware controller that usually has a physical dial that raises the voltage applied to your fans up and down, lowering or raising the speed, although they do sell some with LED indicators. The above described adapter is probably what you want.
 
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nukemaster

nukemaster

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Nov 23, 2004
19,626
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I am going to have a quick look at your board.

I know my Asus can control 3 pin fans on some of the headers, but not all.

EDIT...

You bios seems to show some fan control options(Chassis Fan Setting - > Manual), but I am almost sure they are for 4 pin fans only meaning 3 pins run full out. The cpu header would not help for this either they work the same.

I am a fan of Zalman's(but everyone makes them now) single fan speed controllers as they are small and work well.

As for Speedfan. On older boards that controlled fans with voltage, speedfan works out quite well. It can also control the new 4 pin fans, but if the board lacks the hardware, the 4 pin slots will just run 3 pin fans at full speed.
 
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