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Which radiator for 2x GTX 460's ?

post #1 of 28
Thread Starter 
Greetings, OCN.

Now, I’d like to ask a hypothetical question, since I’ve been playing with the thought a lot. Just out of curiosity and potential knowledge.
I figured water cooling would be the most useful option for me as of now.

If I want to water cool 2x GTX 460’s with a full cover block on each, how large of a radiator do I need ?
And if I want to include my x4 955 as well – how large (of a) radiator(s) do I need in total ?

I should easily be able to fit a 360 rad in my Phantom, and I’m wondering if that would be fit for my GTX 460’s. I also have room for a 240 rad in the bottom, it seems.
I’ve made a few speculations about the needs of my CPU - a dual rad should be good, eh ? This is a whole new world for me. I’m talking 120mm fans, of course (unless you have something else on your minds ?)

It would be preferred if I could reach around 900-950MHz on the GPU’s core clock, while achieving perhaps 4,2-4,4GHz on my CPU… not sure. Mainly just quiet, decent, stable and very cool.

If a few people would hand out some wise words, I’m all ears.
Thank you beforehand.
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post #2 of 28
With your potential overclocks on both the cards and cpu I would go for the 360 and the 240 rads.If you was running stock clocks on all three then a 360 should work just fine.I would recommend getting some thicker rads like the Rasa RX series.
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post #3 of 28
For GPUs ---> XSPC RX360
For GPUs and CPU----> Black Ice Gtx 360 with high RPM fans

OR better

For GPUs and CPU--->XSPC RX 360 and RX 240
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post #4 of 28
a rx 240 wold be plenty for your cpu or your 2x460's so if you are planning on watercooling everything, Then buy a rx360 and a rx240 and you'll be good to go.

The loop I would recommend would look something like this.

res-pump-360 rad-cpu- chipset (if you want to cool your nb/sb)- 240 rad- 460 #1- 460 #2- res

or altenatively, res-pump-240 rad-cpu-360 rad-gpu1-gpu2-res

These would be optimal, but you need to consider the route of the tubing also. You want to avoid excessivly long lengths of tubing,using the smallest, straightest pieces of tubing possible, and make your loop with as few bends as possible and avoid 90 % fittings to maintain the highest flow rates possible.

If you can fit a 360mm rad and a 240 rad inside your case then this will be plenty to cool your entire pc.

There are better rads then the rx series, but they are high quality rads that work great and are reasonably priced also. They are also designed for slower speed fans, so it wont sound like a vacuum cleaner when all is said and done.
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post #5 of 28
i have 2 560's on a rx240 and never reach 40c.. i am very against putting cpu in loop with gpu but i guess a rx360 would be fine for all three.
    
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post #6 of 28
Quote:
Originally Posted by microman;14251290 
i have 2 560's on a rx240 and never reach 40c.. i am very against putting cpu in loop with gpu but i guess a rx360 would be fine for all three.

cpu and gpu in same loop is fine if you have a rad in the middle of the components.
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post #7 of 28
Get as much rad space as possible, my rule of thumb.
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post #8 of 28
Quote:
Originally Posted by bob808;14251313 
cpu and gpu in same loop is fine if you have a rad in the middle of the components.

what can i say i am a purist.
    
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post #9 of 28
Thread Starter 
All very useful, thanks.

It would be a bit more hazzle installing both a 240 rad (CPU) and a 360 (GPU's), not that it is out of the question though.
How much of a difference would there seem to be between the above and a single 360 rad ?

I will definitely consider the XSPC Rasa RX series, thanks.
Edited by p4p3r - 7/17/11 at 6:19pm
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post #10 of 28
a rx360 will be plenty
    
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