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Exhaust through water cooling radiator? Corsair SP120 or AF120

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  • Water Cooling
  • Cases
  • CPUs
  • Corsair
Last response: in CPUs
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January 15, 2014 10:52:16 AM

Ok, so I've bought an old alienware (don't hate) used that has an own brand water cooler for the CPU. Its a double thick radiator like a Corsair H80. Instead of a push pull set up, its got one thick 120mm fan, say double the thickness of a Corsair SP120. The fan is pulling through the rad and exhausting out the back of the case. I've been thinking of adding another fan to the other side of the rad to help exhaust air out of the case. There are only 3 other fans in the whole case. One for the HDD bay, one for pulling air in through the front and one for blowing air away from the RAM. There is no other place to put a fan, so adding one to the radiator is the only option. The reason I want to exhaust as much air out of the case as possible is that I am planning on getting an Asus GTX 770 DirectCU II which mostly exhausts air into the case.

So basically, would I be better getting the SP120 or the AF120 by corsair? I know static pressure is usually the way to go for a radiator, but I was hoping that a combination of the AF10 and the static pressue optimised fan already in the case would be a good match.

If you're wondering why I would buy an alienware aurora alx desktop, its because it was €500, plus I managed to get €70 for the old 5770 GPU. The rest of the specs are ok. i7 930 which I'll be over clocking, 12GB 1600Mhz RAM, 2x 1TB HDD in raid.

Thanks for any info!

More about : exhaust water cooling radiator corsair sp120 af120

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January 15, 2014 10:57:26 AM

SP for CPU cooling, AF for case cooling.

You will want to pair the fans on the cooler, or it could be noisy or won't work correctly, as one fan will be sucking more air or spinning faster.

Push-pull out of the tower is fine. Two new fans will make a good environment.
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January 15, 2014 11:08:26 AM

Alec Mowat said:
SP for CPU cooling, AF for case cooling.

You will want to pair the fans on the cooler, or it could be noisy or won't work correctly, as one fan will be sucking more air or spinning faster.

Push-pull out of the tower is fine. Two new fans will make a good environment.


Thanks for the tip. I could get 2 SP fans, but I'm not sure how to attack it to my case. The current fan is attached to the case with 4 of those small thick screws like these http://www.gbeelectronics.com/gbe/components/com_virtue...

I don't know where to get screws to attach one fan to the case and radiator or to just attach to other to the radiator. As far as I know they only come with the case screws.
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a b à CPUs
January 15, 2014 9:44:49 PM

Those are standard case fans.

Power down the computer. Unplug the power supply

Unscrew things.

Put the screws back in the right place.

Make sure the fans are pushing, usually the sticker is on the side air comes in.

All parts will be a little different, they might have custom screws for the radiator. If there's 4 custom screws for 1 fan, just put 2 for the back fan and 2 for the front (might rattle).

Fans should come with 4 of the thick screws. They are standard, but they thread easily.
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