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How should I connect the fans? Not enough headers on motherboard - Page 3

post #21 of 27
did a quick google on that Swiftech, came across one dutch webshop: http://www.highflow.nl/fans/fans-ventilator-toebehoren/swiftech-8-way-pwm-splitter-8w-pwm-spl.html

Where do you live in europe?



I'm using an akasa 3-way pwm splitter like that gelid, the akasa is also available as a 5-way pwm splitter
Edited by TiezZ BE - 12/19/13 at 7:15am
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post #22 of 27
I'm in UK

The Akasa are okay. Just be careful of all the wires coming from connectors. I've had problems with them stress fatiguing and breaking right at the connector. If I have to use one I group all the cables together about 1/3rd of the way from power & fan plugs similar to the Gelid one.

I've found 8-9 fans is about the most fans the motherboard PWM signal will power.
post #23 of 27
that location question was for zipp, I can see you're in the UK biggrin.gif

Because he asked for european retailers
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post #24 of 27
Thread Starter 
I'm from Denmark smile.gif

The dutch shop should be fine if they ship to other countries - which they probably do smile.gif Thanks a lot.

I think the Gelid or Swiftech looks more solid than the Akasa because it doesn't have all the cables going seperately to the connector.

Quote:
Originally Posted by doyll View Post

I'm in UK

The Akasa are okay. Just be careful of all the wires coming from connectors. I've had problems with them stress fatiguing and breaking right at the connector. If I have to use one I group all the cables together about 1/3rd of the way from power & fan plugs similar to the Gelid one.

I've found 8-9 fans is about the most fans the motherboard PWM signal will power.

They do get their power directly from the psu right? But for other reasons there is still a limit to the amount of fans that can be PWM controlled through a fan header? Not that I would need to plug in 8 fans smile.gif
post #25 of 27
did you look at the akasa sata powered splitter or molex powered splitter? (that molex powered splitter looks much cheaper)

either way, that swiftech splitter looks way more decent thumb.gif
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post #26 of 27
Yes, the PWM signal is generated and distributed from the motherboard. The 12v power to run fan motors is distrubuted from PSU. Trying to run too many fans weakens the PWM signal and can cause fan control problems.

I've also heard some fans don't like PWM splitters.. Think they were Corsair fans but no idea which model.

The Akasa PWM splitters were the first I used and had problems with the wires stress fatiguing and breaking at pin connnections. Had to rebuild them so they were like the Gelid design to resolve the poblem.frown.gif
post #27 of 27
You can get 3 voltages from the molex.
12V-by connecting the + wire to yellow(12V +) and - wire to black(ground)
7V-by connecting the + wire into yellow (12V +) and - wire into red (5V +)
5V-by connecting +wire into red (5V +) and - into black (ground)
And if you can get the 3,3V(from Sata or 24 pin) then you should be able to get 9V. Connect the + wire to yellow (12V +) and - wire to orange (3.3V +)
It's much cheaper to do it by yourself than buying expensive adapters.
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