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Old April 8, 2012, 01:09 PM
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Default Watercooling fan control

Hi,

I'm planning on using 2 triple rads in my system
Most fan controllers I've seen control up to 4 channels
How do you get by this limitation?
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Old April 8, 2012, 01:16 PM
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You buy a fan controller with high current ability and gang the fans together so that you're controlling more than one fan per channel.
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Old April 8, 2012, 01:18 PM
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any controllers you would recommend?

And do i put the fans in series or parallel on the same channel?
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Old April 8, 2012, 02:49 PM
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Splitters like this for the fans, and you want to be in parallel otherwise you'll be dropping voltage for each fan and they won't spin at the proper speed (V is constant in parallel, current is constant in series)

Startech 12IN TX3 Fan Power Splitter Cable - Startech.com - TX3SPLIT12

Something like this is mostly overkill, but has a ton of overhead...

Lamptron FAN-ATIC 5.25IN Bay 5 Channel Fan Controller Blue LED Military Switch 60W Per Channel - Lamptron - FAN-ATIC-BLACK

60w / channel..... P=IE (Power = Current X Voltage) I=P/E so 60W / 12V = 5A max draw

Most fans are 1/3A but even at 1/2A you could put up to 10 fans / channel and still be within specs (although that would be pushing it)

There are also boards designed to gang multiple fans together onto one circuit with dedicated power to the board so that you don't have to worry about overloading your fan controller cct.

Bitspower X-STATION POWER-EXTENSION I - Male Version 4PIN Molex to Power Distribution Board - Blue - Bitspower - BP-XSP1M-BL

That said... for me, fan controllers are for show... I fold 24/7 so my fans run 100% 24/7 :)

None of the above links are specific recommendations, they're only to give you an idea of what to look for.
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Last edited by sswilson; April 8, 2012 at 02:57 PM.
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Old April 9, 2012, 08:07 PM
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How about this one?
MULTI FAN POWER PORT -Sunbeam provide the best acrylic case pc for gaming and modding
Would it be a nice way of powering all 6 fans?
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Old April 9, 2012, 08:36 PM
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That should have no problems powering 6 fans, but without any specs on current rating I'd stick to a single fan per channel, and you won't have any way of controlling the voltage.

If you want to just power the fans full out 12V, depending on the fan you chose you may be able to just gang them together without needing any type of controller. (depends on if the fan you chose can be daisy chained).
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Old April 11, 2012, 03:01 AM
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how about K - TMS-200 Software Thermal Interface Controller ?
Any opinions on using it to control my fans?
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