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Windows 7: How do I count the fan power

21 Feb 2012   #1
Andreas W

Windows 7 Home Premium x64
 
 
How do I count the fan power

Hi, im back with some more and probably annoying questions, I would like to use something like the link bellow but the description states that (When using in conjunction with a fan controller / motherboard header, be sure your controller can handle the total power of the combined fans) so that got me a bit confused, I understand that I add up the watt on the fans, but how do I know how much my PSU and the cable can handle? I am planing on using a molex to 3 pin connector that comes with noctua fans, could I use 2 of those on the same cable to then add the splitter to, or do I want to use 2 cables and use 1 molex to 3 pin on each cable? I am using a Corsair HX650 PSU and I tried looking at their site under specifications but that info made no sense to me

Phobya Y Cable Splitter - 3-Pin to 6x 3-Pin - White - FrozenCPU.com


My System SpecsSystem Spec
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21 Feb 2012   #2
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Andreas W,
You really have little to worry about with two fans connected. The issues are more geared for hooking up lots of fans like more than 4 to one fan controller terminal. I for one have three Noc's running off one 12v on my PSU and I always run them wide open with zero issues.
My System SpecsSystem Spec
22 Feb 2012   #3
Andreas W

Windows 7 Home Premium x64
 
 

Wow weird, I tought I answered, was wondering why I never got a reply back but obviously something happen so my post dissapeared, oh well need to rewrite it then.

What I want to do is run about 9-10 noctua fans on 1 single molex cable, I counted the total watt from all the fans and it would be around 11.xx watt so should I be safe only using 1 cable, and if its to much stress on 1 cable would the computer boot up at all then or just refuse to boot?
My System SpecsSystem Spec
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22 Feb 2012   #4
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

I don't believe it would effect the mobo at all. It might cause all 10 fans off (1) 12v molex off the PSU to run slower but I doubt it will. Now incorporating the fan controller into this mix could be an issue, again the fan controller will have to be of a high quality and have a healthy rating for continuous amperage.
My System SpecsSystem Spec
23 Feb 2012   #5
Andreas W

Windows 7 Home Premium x64
 
 

Ok, and since I wont be using a fan controller at all there is not really any issue since 1 cable is capable of 12w right? and I do have enough fans so if they run a bit slower wont really matter I belive much temp wise, could be nice thou maybe a bit less noise.
My System SpecsSystem Spec
23 Feb 2012   #6
cyclic

Windows 7 home premium x64
 
 

I have to wonder why you need that many fans anyway ?
My System SpecsSystem Spec
23 Feb 2012   #7
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

The OP has filled all available spots and though one could argue it's something when I acquire my 800D I'll do as well. When you run the Noctua fans and you get a sense of the quiet performance they afford you begin to find all the places you can place one.
My System SpecsSystem Spec
23 Feb 2012   #8
Andreas W

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by cyclic View Post
I have to wonder why you need that many fans anyway ?
Main reason is my tiny *** room that I have with no air circulation so if I can spend some money on fans that try get my components as cool as possible to save myself from needing to buy new ones because they overheat is something I feel its worth to do, and the second reason is because I am bored and want something to do and think doing these kind of things are fun.
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 How do I count the fan power




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