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Kywim

Noctua PWM cable extenders/splitter

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Posted · Original PosterOP

Hello!

 

So I've bought 2 Noctua AF-14 Chromax fans. I'd like to use them in my build but unfortunately I need to use a splitter to plug them in properly in the PWM header (CHA3) on my mobo.

Also, theses fans are kind of special, they don't have a direct cable coming from the fan to the PWM header. The cable coming out the fan is really small, and they give an extender inside the box. 

It looks like this: http://prntscr.com/m7kb91

 

My initial plan (when I ordered the splitter) was like this:

  • http://prntscr.com/m7kcw9
    • The Y splitter is plugged in the motherboard, and the 2 fans are plugged in the 2 outlet of the splitter.

But... I received the splitter today, and it's way too stiff. It can't really be bend easily, so it wouldn't be pretty (or practical) to plug it in my motherboard. So I've got another idea.

My idea to make it look a lot better is to remove both extension cables from the fans and do this:

  • http://prntscr.com/m7kcgz
    • One of the extension cables is plugged in the motherboard, then the Y splitter is plugged in the extension cable and the small fan cord are directly plugged in the splitter.
       

My question is: Is this safe? Can something go wrong with that setup? Is it safe to plug a PWM Y Splitter into an extension cord instead of directly on the motherboard?

 

Thanks

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make sure those are extension cables. some extenders are actually voltage reducers (basically cables with resistors, Noctua calls them low noise adapters). don't use those reducers at the source if you don't want smoke.

93uTFJw.png

 

otherwise you'd be fine

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no problem. you can "safely" run 230v 16A over a 3x1,5^2mm line, so less then 1A at 12v should be absolutly fine. 

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Posted · Original PosterOP

Hi again, another related question: can I use 2 extension cables + the Y splitter? (Mobo -> Extension cable -> Extension cable -> Y splitter -> Fan A and B) Would that still be fine?

 

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12 hours ago, Kywim said:

Hi again, another related question: can I use 2 extension cables + the Y splitter? (Mobo -> Extension cable -> Extension cable -> Y splitter -> Fan A and B) Would that still be fine?

That's fine. 

4 hours ago, Kywim said:

bump

Please be a bit more patient before bumping. This is a forum and not a live chat so it might take a day or more to get good responses. 

Make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.


If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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