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What do i need to watercool 2 6990s???

post #1 of 7
Thread Starter 
Whats up guys, i need help really bad, i just bought 2 xfx 6990s and i want to watercool them, currently i have an ek waterblocks setup in my motherboard, but i dont know if i need a bigger radiator or a bigger reservoir, i dont even know what tubing i need and little accesories besides the 2 waterblocks, here is a link with some pictures of my pc, http://s586.photobucket.com/albums/ss308/xaviercasas/ , to be honest i dont have any experience whatsoever in doing this, i bought this system just as it is, hopefully theres someone who can help me out, thankss
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post #2 of 7
Stick a 480 in the top of your case and plumb both gpus to it. If you're going to run the 980x on the same loop add 240 in the bottom or run the 980 off the 240 as 2nd loop. That's what I would do w/o knowing what wc gear you have. Yer pics are freakishly small, and judging by them it doesn't look like there's much radiator in your case.
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post #3 of 7
2x6990´s and a 980x in the same loop require at least a 480 + 360 to be able to achieve decent temps.

Since your case will not be able to even fit the 480 internally without a mod I would recommend you to get a 1080 rad with a stand and install it externally.

A 1080 is surprisingly cheap considering the dimensions.
It costs nearly as much as a normal 480 rad and has almost 50% more cooling performance.
I personally can recommend the Phobya Nova 1080 it is very cheap and delivers high performance I had it myself and it rocks.

That would be the optimal choice for you to cool all those components with decent temps especially considering summer is on the way and you living in mexico
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post #4 of 7
Thread Starter 
Thanks guys for your replys, to be honest i dont really need a powerful radiator such as the Phobya Nova 1080 , since i just use my computer for gaming, i never benchmark at all. this is the space that i have down, it seems like i just have space for another 140. I dont know if this is enough, also i dont know if the reservoir and the pump that i have is enough as well, cheers.
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post #5 of 7
So let´s start at what pump you have?

A 140 rad is enough to cool your RAM

Now come on you have 2 x 6990´s if you want to engage serious watercooling here you need to start with a 480 rad.
It will be enough to cool the 2x6990 for the 980X an additional 240 rad is again the minimum to provide sufficient cooling.

If you want decent temps even in summer you need a 1080 rad considering your setup

For a full loop with a EK Supreme HF, 2x6990 blocks and 1080 rad I would recommend a MCP355 it has enough headpressure to push the water through all the parts

Cheers!
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by Kung Pow View Post
So let´s start at what pump you have?

A 140 rad is enough to cool your RAM

Now come on you have 2 x 6990´s if you want to engage serious watercooling here you need to start with a 480 rad.
It will be enough to cool the 2x6990 for the 980X an additional 240 rad is again the minimum to provide sufficient cooling.

If you want decent temps even in summer you need a 1080 rad considering your setup

For a full loop with a EK Supreme HF, 2x6990 blocks and 1080 rad I would recommend a MCP355 it has enough headpressure to push the water through all the parts

Cheers!
Well i already have the 480 rad at the top, the thing with the 1080 rad is that it seems to need a pro installation and mod in my case, and there isnt anyone here were i live that knows about this stuff, not even in mexico city,(too bad living in a 3rd world country), i think it will be better if i send back the pc to origin in miami, it will cost me a fortune thou just to send it and get it back
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post #7 of 7
The only Computer Case that in which it actually makes sense to install a 1080 radiator internally is the Extended Ascension.

To the owners of every other case owners I would recommend to just have the radiator set up externally with a stand.
A radiator stand is a device which stabalizes the radiator enabling it to stand up straight right next to the case for an external use.

I am sorry I did not know you already owned the 480 rad in that case get another 360 radiator and install it in your prefered location external or internal

480+360 will be more than enough to cool down the 6990 CF + 980X and leave plenty of extra cooling power not just dissipation

Cheers!
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