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Fan Questions

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  • New Build
  • Cases
  • Fan
  • Systems
Last response: in Systems
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December 11, 2010 8:55:02 PM

Hello, I had some questions on how/where to plug in my fans. I bought three Scythe S-Flex SFF21E fans and wanted to use one of them for my Hyper 212+. The fans use 3-pin connectors, whereas the CPU fan connector on the mobo is a 4-pin. Can I just plug the 3-pin fan into the 4-pin connector?

I have a similar question for using the case fan. My mobo has two chassis fan connectors, a 3-pin and a 4-pin. I plugged one of the fans into the 3-pin. For the other case fan, can I just plug it into the 3-pin part of the 4-pin connector?

I do not plan on doing any overclocking or anything else out of the ordinary with my system. Basically, I will be using everything straight out of the box.

Here are my build specs:

CPU: AMD Phenom II X3 740 3.0G AM3
Mobo: ASROCK 880GXH/USB3 R
GPU: PALIT NE5X460SF1102 GTX460 1G
PSU: OCZ 500MXSP 500W RT
RAM: 2Gx2 | CORSAIR TW3X4G1333C9A G R
CASE: CoolerMaster RC-912-KKN1 RT
CPU Cooler: Coolermaster 212+
Fans: Scythe S-Flex SFF21E

Thanks!

More about : fan questions

Best solution

December 11, 2010 9:34:21 PM

Yes, you can. The fans' connectors have ribs on them that will only allow you to attach eah one way to the motherboard's fan connectors. Do so, and they will work. They may run at full speed, but the S-Flex models are pretty quiet.
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December 11, 2010 11:33:13 PM

Yes and yes.

I like the S-Flex fans. I have several F's. I figured the F's were a good compromise between noise and cooling capacity
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December 12, 2010 12:49:44 AM

Best answer selected by berkmtb.
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December 12, 2010 12:50:49 AM

Thanks, guys. I just installed the new fans, and my PC is 1000 times quieter. I am planning on changing out the third case fan as well.

Thanks again!
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December 12, 2010 11:20:41 PM

You are welcome.
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!