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Motherboard recommendation for Vapor X 7970 cards in CFX

Last response: in Graphics & Displays
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June 4, 2013 8:46:19 AM

I'm currently running a Asrock Extreme 4, unfortunately, that card doesn't have enough space without the cards being sandwiched together due to the slightly larger than average cards.

What is a good MB that will allow for these cards to be CFX'ed without having to touch each other?

Ideally, not one of those boards that have enough room for a 4-way set up.
a c 171 V Motherboard
June 4, 2013 9:10:35 AM

You don't want more than CrossFireX anyway. More than two is a complete waste.
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June 4, 2013 9:14:41 AM

Hi there, i would say being sandwich together is better than being CFX.
Because putting them in CFX, makes the hit from the top of the card hit the PCB on the second card ,might increasing lots of heat. But if you got a good ventilation,it should prevent this problem.
Well it would definitely fit so dont worry :) 
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June 4, 2013 1:00:32 PM

Sorry, everyone. I wasn't clear.

I would like to have two Vapor X cards together, unfortunately, they are about 2.5 in terms of taking up PCI lanes, so they will almost be touching each other. I know that's bad for the heat so I would rather have a MB that actually allows for there to be enough space between just those two.

I do NOT want cards like the Asus Max V which has 4 slots. 2 is enough for me to say "shove it" to the 780 and Titan users.
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a c 171 V Motherboard
June 4, 2013 1:09:21 PM

Which Sapphire card do you have? On my ASRock Z77 Extreme4, based on measurements only because I have only one Sapphire Vapor-X 7970, I have about a little more than .5" gap between the two. They definitely won't touch. Though, in comparison, I placed the Sapphire Vapor-X 7970 on top and a Gigabyte 7970 (because I only have those two), and the bottom of the Sapphire 7970 isn't touching the top of the Gigabyte 7970.
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June 4, 2013 1:29:44 PM

This actually makes me wonder, is the Z77 extreme 4 a good board to CFX? I read that the budget MBs aren't as good for dual GPUs. Bottle-necking or another.

I have a 2500k, 1050 PSU by Corsair, 8GB of 1333 RAM, SSD boot
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a c 171 V Motherboard
June 4, 2013 1:32:35 PM

Yes. I have it and I cannot complain. Some say that ASRock use lesser quality components for their motherboards, but honestly, I love ASRock and I've never had issues with them. And the Extreme4 is a great OC board.
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a b V Motherboard
June 4, 2013 6:15:58 PM

Did you look at the msi board i linked? I think it's exactly what u asked for.
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June 4, 2013 10:58:45 PM

J_E_D_70 said:
Did you look at the msi board i linked? I think it's exactly what u asked for.


I did, yes! And yes, it is exactly everything I need. However, after speaking with ksham, I feel I can just save and continue using my Z77 Extreme 4. I might have to get a different 7970 Ghz card, (looking at the Gigabyte Wind Force) but at least I won't have to worry about a new MB, just for the sake of appearances of having two Vapor X cards.

However, the next MB I get will definitely have that form factor.

Thanks!
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a c 171 V Motherboard
June 5, 2013 6:59:28 AM

Yeah; it definitely fits fine for me.
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June 5, 2013 8:08:14 AM

So, running the 7970 Ghz Vapor X and the Gigabyte WF 7970 Ghz edition is okay with the heat? I'm worried that the Vapor X key will be blowing air straight down.
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