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Weird 9port fan hub and 24v fans...

post #1 of 8
Thread Starter 
Hello, I just found one of these (er well, kinda got it from a dumpster, not the point) and I am not really sure how to feel.

I have been needing some new case fans for a while and these would work great, assuming I could run them. Now I know in general PSUs are 12v, I also have heard of the 24v mod by taking a positive 12v and a negative 12v and doing something with them.

But seeing the connector on this (male 24pin) it got me wondering if they made 24v psus or how this thing actually works. (complete noob when it comes to ANYTHING electrical)

Seeing as how I have 4 of these fans and they all pull 5w each wouldn't that be to much for a simple -12v to handle?

I also cannot find any female to female 24pin connectors.

I'm rather lost here.

Heres pictures (shot with a horrible camera, sorry its all I've got.
Warning: Spoiler! (Click to show)
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90VIUin.jpg
DArSg9e.jpg

The PCB also has a URL on it: ControlRes.com It also has a SmartFan trademark near that. I went to that website to check it out but got no info on how to actually power this thing.

Again sorry for being such a noob.
post #2 of 8
That looks like a fan card for a blade chassis or similar.
post #3 of 8
Thread Starter 
Yeah I thought that it might be for some weird server type thing. Thanks for the info. Do you happen to have any idea on how this thing is powered? Thats mainly what I'm after. I hear papst makes decent fans and the motors on these don't feel locked up when I spin them by hand. I'm more than fine with dropping a few bucks on whatever I need to get them running.
post #4 of 8
Thread Starter 
Anyone happen to know how I could run these? I have been diving into it a bit and have learned of DC to DC converters that might work. I suppose I could just fashion a mini case or something to put that in.

Would that work? If I say bought an extremely cheap PSU then had it power a couple fans with a dc to dc converter? 12v to 24v? I'm still a little foggy, if anyone could help me out I'd be eternally grateful.
post #5 of 8
Thread Starter 
Anyone? Whats that 24pin connector actually hook into? Is there any way I can make this thing work with just a conventional PSU?
post #6 of 8
have you ever tried feeding 12v to your fans?

considering they're PAPST, you might love their noise /performance ratio when they're not blasting at their full speed biggrin.gif
post #7 of 8
Thread Starter 
Quote:
Originally Posted by inVain View Post

have you ever tried feeding 12v to your fans?

considering they're PAPST, you might love their noise /performance ratio when they're not blasting at their full speed biggrin.gif

Yeah, that would be a fine and easy solution but they don't seem to spin up at 12v.
post #8 of 8
Thread Starter 
Just so we are clear, would somthing like a DC to DC converter going from 12v to 24v then hook the output into something like this: http://www.amazon.com/Rosewill-12-Inch-PWM-Splitter-RCW-FPS-401/dp/B00552P9I6/ref=pd_cp_pc_2

Would that work?
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