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do QUAD SLI boards support TRI SLI(or crossfire respectively)

Last response: in Motherboards
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July 15, 2014 4:18:38 PM

just as the name describes, im wondering if a quad sli board like the Asrock extreme6 that supports quad sli/crossfire can also support tri sli
a b V Motherboard
July 15, 2014 4:25:43 PM

Yes, they can. The support is listed at the maximum. For >2 in SLI, you need more PCI lanes and they add a chip to the mobo to support that. Not sure about the exact details. But if you don't populate one of the PCI slots, no issues.
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a c 81 V Motherboard
July 15, 2014 4:36:37 PM

Quad SLI only uses 2 PCI-e X16 slots due to Quad sli is only obtainable using 2 duel GPU cards. 4 way sli is different, it uses 4 PCI-e slots because this is obtained by using 4 single GPU cards. the naming is important in this aspect.

If you pick the exact board your looking at we can look it up to be sure. But by you just saying the Asrock extreme 6 doesn't help us because it could be AMD or Intel and we also need to know the Chipset it has on it to look at the same thing.
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July 15, 2014 11:08:21 PM

Karsten75 said:
Yes, they can. The support is listed at the maximum. For >2 in SLI, you need more PCI lanes and they add a chip to the mobo to support that. Not sure about the exact details. But if you don't populate one of the PCI slots, no issues.


alright thanks just needed to be sure since it had 3 PCI-e slots and sid it was capable of quad SLI and CrossFire, just didn't know if that meant it could handle tri SLI, oh and its Asrock z97 extreme6
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a b V Motherboard
July 15, 2014 11:13:29 PM

I think you should re-read bgunner's post. Quad SLI is NOT using 4 GPUs in SLI configuration.

Quad SLI is using two DUAL GPUs (Eg. GTX 690 x 2) in SLI configuration.

4-way SLI-capable motherboards can handle 3 or 4 GPUs. In that case the mobo will have 4 PCIe slots to accommodate the cards.

Please post your specific motherboard and give us an opportunity to clarify exactly what the capability of your mobo is.
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July 15, 2014 11:26:10 PM

Karsten75 said:
I think you should re-read bgunner's post. Quad SLI is NOT using 4 GPUs in SLI configuration.

Quad SLI is using two DUAL GPUs (Eg. GTX 690 x 2) in SLI configuration.

4-way SLI-capable motherboards can handle 3 or 4 GPUs. In that case the mobo will have 4 PCIe slots to accommodate the cards.

Please post your specific motherboard and give us an opportunity to clarify exactly what the capability of your mobo is.


I did its the ASRock z97 extreme6, though i just found the answer, it only has two PCIe 3.0 slots, i had mistaken it for 3 of them, and i had noticed before that the ASRock z97 extreme4 supported 3-way SLI/Crossfire so i concurred that the extreme6 must have that capability, i was wrong though! sorry if i didnt provide enough info though, kinda new to forums :) 
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a b V Motherboard
July 15, 2014 11:29:18 PM

Hey no worries, as long as you don't make a costly mistake, all is good. Pleases give the "Best solution" to bgunner. without him we would have been making a wrong decision here. :) 
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Best solution

a c 171 V Motherboard
July 15, 2014 11:33:29 PM

Uh .. the answer is NO. Some Quad-SLI motherboards do support Tri-SLI, but most do not. Most support Quad-SLI because they provide two PCIe lanes, where each lane can be used with a GPU like the GTX 690 or HD 7990 where the card by itself is already SLI or CrossFireX. A GTX 690 is not ONE GPU, but TWO. They're just combined into one PCB. So by default, that is already a SLI configuration graphics card. SLI does not mean using two physical cards; it means using two physical GPU (the chip itself). So in that sense, if you pair a GTX 690 with another GTX 690, then that would be a Quad-SLI even though it takes up only two PCIe lanes.

If you read the manufacturer's website for the motherboard that you want to buy, it will tell you straight up if it supports Tri-SLI or not. For example, the ASRock Z97 Extreme4 supports Tri-CrossFireX. But the ASRock Z97 Extreme6 supports Quad-CrossFireX, but does not support Tri-CrossFireX.

Having said that, all Quad-SLI or Quad-CrossFireX support will also support SLI and CrossFireX (naturally), so backwards-compatible logic does work in that case.
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July 15, 2014 11:39:14 PM

Karsten75 said:
Hey no worries, as long as you don't make a costly mistake, all is good. Pleases give the "Best solution" to bgunner. without him we would have been making a wrong decision here. :) 


ive been looking around for option to do that couldn't find it, maybe im to new? or should i just grab moderator to change it real quick? and thanks ksham i was thinking about it wrong but i knew the difference between 4 way SLI and quad SLI, it was more of a question of if the motherboard i was talking about supported it, and i found out it infact did not!
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a c 171 V Motherboard
July 15, 2014 11:45:35 PM

zigtronik said:
ive been looking around for option to do that couldn't find it, maybe im to new? or should i just grab moderator to change it real quick? and thanks ksham i was thinking about it wrong but i knew the difference between 4 way SLI and quad SLI, it was more of a question of if the motherboard i was talking about supported it, and i found out it infact did not!

I unselected the best answer so you can re-select.
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