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What cable to use to connect all fans to Power Supply? - Page 2

post #11 of 19
why not just use a terminal block
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post #12 of 19
Thread Starter 
I don't know how to use a terminal block and I'm just looking for a simple solution. I think with a terminal block, I would still need to get fan extension cables because the fan cables are short.
post #13 of 19
Thread Starter 
I was looking for a better connector and found the one below:
http://www.newegg.com/Product/Product.aspx?Item=12-119-248

The product above has two 3 pin fan connector, one 4 pin CPU fan connector, a 4 pin connector that connects to the motherboard for checking RPM, and one four pin Molex connector. Would it be possible to power the fans without using the motherboard connector and only using the Molex connector?

I plan on connecting multiple fans (probably will buy 2 of the product listed above) to the 3 pins connectors and then power it using the Molex connector. My motherboard only has 1 four pin fan connection, so could I power all the fans using only the Molex connector without using the motherboard connector? I think the motherboard connector is only used to check RPM speed (fan speed) and it isn't a required connection to power the fans, but I'm not sure.
Edited by CocoCrunch - 8/20/11 at 3:19am
post #14 of 19
Quote:
Originally Posted by CocoCrunch;14650763 
I was looking for a better connector and found the one below:
http://www.newegg.com/Product/Product.aspx?Item=12-119-248

The product above has two 3 pin fan connector, one 4 pin CPU fan connector, a 4 pin connector that connects to the motherboard for checking RPM, and one four pin Molex connector. Would it be possible to power the fans without using the motherboard connector and only using the Molex connector?

I plan on connecting multiple fans (probably will buy 2 of the product listed above) to the 3 pins connectors and then power it using the Molex connector. My motherboard only has 1 four pin fan connection, so could I power all the fans using only the Molex connector without using the motherboard connector? I think the motherboard connector is only used to check RPM speed (fan speed) and it isn't a required connection to power the fans, but I'm not sure.

That one looks quite good. The 4 pin connector for the motherboard is used to allow the motherboard the control the speed of the fans depending on the temperature of system components so it is possible to just power the fans using the molex connector.
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post #15 of 19
Thread Starter 
Quote:
Originally Posted by Kieran;14651139 
That one looks quite good. The 4 pin connector for the motherboard is used to allow the motherboard the control the speed of the fans depending on the temperature of system components so it is possible to just power the fans using the molex connector.

Thanks for the help! smile.gif Repped.
post #16 of 19
Ohh so is it anything four pin say the CPU FAN, and one of the SYS FANS those allow the motherboard to control the speed, and anything three pin is set to run at max?

Sorry for hijack!
post #17 of 19
Quote:
Originally Posted by sdfx;14652459 
Ohh so is it anything four pin say the CPU FAN, and one of the SYS FANS those allow the motherboard to control the speed, and anything three pin is set to run at max?

Sorry for hijack!
All fan headers used to be 3-pin and didn't use PWM - so you can still control 3-pin fans. Nowadays it's just uncommon to use 3-pin.

So to answer your question, not necessarily - some motherboards support controlling 3-pin fans as well.
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post #18 of 19
Oh okay, thanks. So I guess I'll be buying coco's little adapter since I want to control a few more fans and I don't want a separate fan controller.
post #19 of 19
Feast your eyes on these. SVC offers a whole array of adapters, extensions, Y-cables, etc. - all inexpensive and all with free shipping, so if you need just one more of something you can buy it without worrying about shipping. I get their stuff all the time.
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