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OC'd i7 + 480 SLI on single 360 loop?

post #1 of 10
Thread Starter 
Hi guys,

Currently I have an i7-930 OC'd to 4GHz and a GTX 480 on air (AXP cooler) but am entertaining thoughts of adding another 480 and putting the whole thing under water.

With my 800D, I'm looking at a top-mounted 360 since it doesn't require much modification. My quick question is will any 360 rad be able to handle my CPU & two 480s?

I haven't really made any purchasing decisions as I'm still very early in planning but I would like to use my existing AP-15s (push/pull if it'll fit).

Suggestions on a rad that can work is appreciated!

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Goliath
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post #2 of 10
I don't think a single 360 can handle two 480s, those things are ovens.

Assuming you don't want a tornado inside your case from fans either, I would say at least a 360 for the 480s and a 120 for the CPU. Personally I would probably do a 480 for the 480s (coincidence that fits so well) and a 120 for CPU.

However, if you don't mind fan noise then you could possibly get away with just a single 360...but I'm thinking those 480's will still get toasty.
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post #3 of 10
You'd probably be okay with a 360 and a 240 if it's in 1 loop, but I'd put the 240 just before the CPU, then have the GPUs then the 480, as it's less important to have the GPUs cool (as you won't be as concerned about temperatures I think). However, this is dependent on what fans you'll run with it and the flow rate and pressure of your pump.

In any case, one 360mm rad won't really handle 2x480s and an i7 on a single loop
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post #4 of 10
Thread Starter 
Thanks for the info guys.

Guess I'll need to re-evaluate my plans, maybe keep my 480 on air and hold off SLI. Hopefully Kepler will run cooler
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post #5 of 10
I'm in a very similar situation to you at the moment. I have an i7 950 @ 4.2GHz, and a 580 on a 360 rad, with low-speed fans, and it handles that fine. I'm waiting until the Summer to put my second 580 under.

I think my rad could handle it ok. Judging from the temperature increase going from just the CPU to a CPU and one GPU, it just won't do it as quietly as I would like.

I've decided to just get a Nova 1080 and mount the fraker on my case door.
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post #6 of 10
It'll do it (if its a good rad)

I'm running my sig rig on a double heater core with 4 under-volted panaflo-Ms, neither the cpu nor the videocards see 60C... so I guess it depends on your temperature comfort level
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post #7 of 10
get a thick rad, like the RX360 or GTX360.

I had an RX360 cooling my cpu, mb, and three GTX 470 with good temps. The three fermis would max out 55-60c oc to 850. I have better temps now w/ two RX480s, max out @ 45-50c. If possible, consider adding a 480mm rad. its really a straightforward mod and it would yield good temps. Or, add a 240mm rad at the bottom, hit up the Corsair club. I've done a single 360, and 360 + 240, and now running two 480(s) on my 800D.

-wermad
post #8 of 10
Thread Starter 
Quote:
Originally Posted by wermad View Post
get a thick rad, like the RX360 or GTX360.

I had an RX360 cooling my cpu, mb, and three GTX 470 with good temps. The three fermis would max out 55-60c oc to 850. I have better temps now w/ two RX480s, max out @ 45-50c. If possible, consider adding a 480mm rad. its really a straightforward mod and it would yield good temps. Or, add a 240mm rad at the bottom, hit up the Corsair club. I've done a single 360, and 360 + 240, and now running two 480(s) on my 800D.

-wermad
I haven't decided on any pieces, I'm still trying to find appropriate pieces. I'm certainly open to advice on the best radiators available.

My idea was to just WC my CPU & GPU(s). I'm trying to not have to modify the case so at this point the 360 radiator is my option. I wonder if I could put a small (120/140) rad on the bottom of the 800D, in the PSU area where there is space for a 140mm fan. Would this help out the top-side 360?
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post #9 of 10
Quote:
Originally Posted by InvalidUserID View Post
I haven't decided on any pieces, I'm still trying to find appropriate pieces. I'm certainly open to advice on the best radiators available.

My idea was to just WC my CPU & GPU(s). I'm trying to not have to modify the case so at this point the 360 radiator is my option. I wonder if I could put a small (120/140) rad on the bottom of the 800D, in the PSU area where there is space for a 140mm fan. Would this help out the top-side 360?
Best bang/buck rad is the RX360, plenty enough to cool your rig. If you want to add another rad, a 120mm either on the rear fan location or at the bottom is fine. So, an RX360 for the top and an RX120 for the bottom or the rear. The grommets on the "false"/middle floor can pass through some tube to feed the bottom rad.

-wermad
Edited by wermad - 4/29/11 at 11:40pm
post #10 of 10
My single 360 cools my tri-fire no problem. I just completed my setup today. Running 3 x 6970's (no overclock) using EK V2 blocks with a serial bridge. Using XSPC X20 750 and a single 360 radiator (EK-Coolstream RAD XT 360). My load temps on the cards are 40-42 C.

I dont think you would be that far off with just the 360.
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