fan noise

noj

noj

noj

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Joined
10 Nov 2011
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Devon
I've got my cpu water cooler working again after it was RMA'd. Temps are now nice and low but its still really noisy!

The noise is definately due to the two fans on the rad - the OC H2Flo extreme is set up in a push/pull config and both fans seem to run at 100% which I've not been able to change at all - I've tried sys fan, easy tune 6 etc with no luck.

The case fans are fine, the 600TM case controller works and you can hear the case fan noise drop when I turn them down.

So questions -

1) should I replace the fans with something like:

http://www.overclockers.co.uk/showproduct.php?prodid=FG-003-XG&groupid=701&catid=57&subcat=4

2) should I try a seperate fan controller?

3) should I switch to an air cooled cpu solution instead?

suggestions glady taken.

Money not really a big issue so I dont mind spending cash on some good fans if thats the best thing to do and retain the water cooling on the CPU.
 
Not all motherboards support the control of 3 pin fans and have gone over fully to PWM control. Some only support regulation of the CPU connected fan and provide 12v to all others.

Ideally you'd want control over the fans to come from the CPU temperature but if you just have 3 pin fans and a certain brand of motherboard then this isn't going to happen.

I use Speedfan on my Gigabyte board to throttle the speed of my CPU fan. It's only a two setting thing but it gives very quiet running at idle and quiet running at load.

A fan controller would work on these fans but you'd need to adjust yourself, or find a way to get thermal probes to work on the warming of the CPU somehow.
 
i'm running a gigabyte board, its the Gigabyte Z68X-UD5 Intel Z68 (Socket 1155) DDR3 Motherboard ** B3 REVISION **

so sounds like from your comments either a fan controller or switch to 4 pin fans and control them via PWM in the bios

changes the fan speed % in speedfan made no difference to the fans at all - guessing thats because the MB is giving them 12v all the time regardless of other settings.
 
It took me a bit of experimenting to get Speedfan working but I eventually got it working witha 60% fan speed when one of the CPU sensors was below the Desired temperature. It could be that Gigabyte have also closed off DC fan regulation but my board, the EX58-UD5, had an option in BIOS for PWM or DC (or words similar to that) but even when using DC the supplied software wouldn't adjust it.

Switching to 4 pin PWM fans would certainly be one option, provided you can find a use for the fans, otherwise it's wasted money.
 
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