Stacked 240's or single 240 and 120. Case is limiting factor.

T

TurboGLH

Gawd
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Dec 19, 2002
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I've been using a H220 for my 4770k for a few months now, and it's worked very well, so I picked up a couple of aquacomputer blocks for my 290's to help quiet the system down some. I know that the existing 240mm rad is not sufficient to cool both cards and the cpu.

I'm very attached to my pc-v1000 case, and I've modified it to allow the 240mm rad of the h220 to fit, I'm not able to top mount another rad as my revodrive takes of the top pcie slot and its within an inch or so of the top of the case.

I can fit a single 120 rad in the rear of the case, or I can place another low FPI slim 240 in a stack with my existing rad and my 4 GT AP-15's. I know from reading that stacking with high FPI rads or slow fans is a negative, but I'm planning on using both a low FPI rad AND high speed fans.

So, a single additional 120 or a second 240 stacked with four GT's.

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Go for the stack, but ensure you run the stacked rads in parallel. I know XSPC and Aquacomputer rads are good for that.
 
Stacked with the rear 120 for best performance.
 
Do not stack.

Go with a thicker 240mm rad, say 60mm, and a 60mm - 120mm rad.

You are going to need roughly 5.5 worth of 120mm rad at 30mm thick (120mm fan is roughly 130w of heat dissipation). So, just rounding up to 6: 720x30 = 21600mm

120x2x60 = 14400
120x1x60 = 7200
= 21600mm

Obviously this isn't quite 100% but something to go off of.

I hate running rads with fans on both sides, defeats the purpose of being quiet. I suggest running 60mm rads with a higher static pressure fan.
 
I had Swiftech 360's stacked and then I moved to a Alpha Cool Nexxxos UT60 and basically had the same cooling performance as the sandwich, but I used 3 120mm fans instead of 6. So I had less noise with the same performance, I also did not like that I had to use barbs to attach the two Swiftech 360's together, instead of compression fittings. Although I did not have any leaks I found that the distilled water in my loop would evaporate much faster when I had the sandwiched rads.
 
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