badreligion156

ok ive got a 3 pin antec fan that i modded for my xbox. the only problem is that its 3 pin and it gives out very little rpm. so i want to know how can i rewire so i can plug it into the 4 pin molex plug? ive looked all over google but it just gives me the adapter.

thanks!

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CL3P20

there is no 5v on a 3pin, just ground, signal and 12v...

I dont remember what the colors stand for right now, I think yellow is the 12v line and red is the 5v. You should just cut and splice the black, yellow into the 3pin..thats all.

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The Duke

A fan won't go faster with a 4 pin.

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CL3P20

what he means is there is no difference in the output, so its not like your gonna give the fan any more 'juice' than its gettign right now.

I swap most of my 3pins-> 4pins just because they are easier to use and usually there are more connections for 4pins..and i dont like using the mobo connections.

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badreligion156

well it does. ive seen a difference between a 3pin connection and a 4pin connection. ive tried 2 different fans and the 4pin runs alot fater and pulls out more air than the 3 pin.
also my antec came with a converter but it broke so i only have one and im using that in my rig. and this gave me a differnce in performance of the fan

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CL3P20

its not getting enough power through your mobo connections then...thats not good.

If it works...do it!

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standard235

Well, depends on how it's hooked up doesn't it?

3 pin can be RPM controlled and 4 pin runs full all the time.


This is assuming that the xbox has some kind of control of RPM according to temps.

badreligion156

well the fan does have a controll for fan speed. on the pc it runs very fast but on the xobx its set on high but runs slow...

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CL3P20

xbox fan connections only run 7-8v...they do not run a full 12v unless you have mod'd the ground connection...thats the reason it runs slow in one 'box' and not the other.

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binormalkilla

You can get a 3 pin fan connector to adapter to a molex (4-pin) adapter at any local computer shop. I have a spare one that I got with a Silverstone fan.....or something else I really can't remember.