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How to control fan speed when plugged into power supply?

Tags:
  • Power Supplies
  • Cases
  • Fan Speed
  • Components
Last response: in Components
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November 4, 2011 6:16:13 PM

Im adding two case fans to the side of my case, but my mobo doesnt have anymore hookups. I know I can plug them right into the power supply but I want to be able to adjust the fan speed. I was looking at some antec tri cool led case fans that come with a 3 speed switch. Will the switch work when running fans directly off the power supply? I really dont want them going 100% all the time. If not how can I controll fan speed when they are running off my psu?

Cpu: Amd Phenom II x6 1055t
Case:Zion Predator 970
Mobo: Gigabyte GA-970A-D3
Gpu: Evga gtx 560 TI
Psu: Corsair AX750

More about : control fan speed plugged power supply

a c 111 ) Power supply
November 4, 2011 6:50:26 PM

can't sorry :p 
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November 4, 2011 6:54:01 PM

So is my only option to look for fans that run more silent at 100%. If so any suggestions for quiet running 120mm fans?
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November 4, 2011 8:15:29 PM

scythe gentle typhoons are very quite and still move alot of air
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November 4, 2011 9:58:54 PM

scout_03 said:
use this so the motherboard could control the fan speed http://www.directron.com/y3pin.html


Is it safe to draw the extra power for additional fans from the mobo using a splitter?
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a b ) Power supply
November 5, 2011 12:56:37 AM

for two fan it's good ,buy the ones with 3 pins connector without speed switch
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November 6, 2011 4:13:50 AM

Best answer selected by atwon23.
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