Can I SLI in this configuration?

Gil maia

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Aug 23, 2014
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Hey, I'm planning on buying the ASRock Z87M Extreme4 to set up an SLI rig on a bitfenix pandora. Originally I was thinking about putting the cards on the first and third slots but then I thought, because the pandora is a 5slot m-atx case I wonder if I could move the 2nd card to the 4th slot and eventually put a pcie ssd on the slot in the middle.
So, the questions:
Will the graphics card work on the last slot? (gtx 970)
Will a core I5 4670k handle two gtx 970's and a PCIe ssd?
 

bignastyid

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For SLI you must use pci-e slot 1 and 3, PCI-e slot 4 is only 4x and will not work for SLI. The 4670k only has 16 pci-e lanes available and with SLI the 2 need pci-e slots will use all these lanes(both running at 8x each), so im not sure if it will work as the motherboard lacks a PLX chip for more pci-e lanes. But not sure how much that is going to matter since the 2nd 970 will be blocking the slot unless you use a water cooling and a 1 slot water block.
 

bignastyid

Titan
Moderator
For SLI you must use pci-e slot 1 and 3, PCI-e slot 4 is only 4x and will not work for SLI. The 4670k only has 16 pci-e lanes available and with SLI the 2 need pci-e slots will use all these lanes(both running at 8x each), so im not sure if it will work as the motherboard lacks a PLX chip for more pci-e lanes. But not sure how much that is going to matter since the 2nd 970 will be blocking the slot unless you use a water cooling and a 1 slot water block.
 

Gil maia

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Aug 23, 2014
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Thanks, very helpful.
I could try a ribbon cable on the last slot.
Do you think It would work?

 

bignastyid

Titan
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Im honestly not sure, but if it did, it would pull PCI-e lanes from the other slots and possible cause a performance issue with the SLI setup or possible cause SLI to not work at all. I would just stick with a sata SSD for that config.
 

Gil maia

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Aug 23, 2014
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Ok, I'll stick with the normal 2 way sli and a sata ssd. tnx


 

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