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[EVGA] EVGA Z87 Classified Motherboard finally arrives - Page 10

post #91 of 150
It has an onboard PLX chip that powers the lower PCI-E lanes, giving you 32 lanes total for 4 way SLI/CFX.

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post #92 of 150
So all 4 are 8x in quad SLI ? What of the 5th slot, what if you fill those with cards ? And what about tri sli are those also all 8x lol or about 10 x a piece ? Or 16 and two 8x's.
Edited by Jedson3614 - 3/17/14 at 7:34am
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post #93 of 150
You don't need to fill up the 1st 4 slots, since the PLX chip handles the lower 2 (I believe) you go 1,2,3 from CPU and 4,5 via PLX chip. So for 4 cards you would go 1,2,4,5 if I remember what a couple of EVGA reps had mentioned on the EVGA forums. They would all be 8x yes, but remember the PLX chip would also bring in some latency.
post #94 of 150
So 8x ? The way you explained it sounds confusing due to the chip and and the cpu being split up. Does that then mean now we have what the cpu offers and the chip ? COul we then get 16x above and 16x from the chip. Or is it 32 lanes each giving you quad SLI all with 16x lanes ?
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post #95 of 150
You can, but the PLX chip latency would not make it worth it. If you only have 2 cards best to use the top slots powered directly from the CPU- even at 8x each. PCI 3.0 at 8x is really a lot of bandwidth for any card I would say.

It is 16 lanes from the CPU and 16 lanes from the PLX chip for a total of 32.
post #96 of 150
Wouldn't two cards be 16x each equaling 32? I think 3 would be 16x, 8x,and 8x, and 4 way sli 8x each, Am I wrong about this ? What if you tried using all slots, all five of them ?
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post #97 of 150
Yes, you can do 2 cards at x16 each but I was just recommending not using the PLX chip and running both at x8 off the CPU directly instead to get rid of the PLX latency. This is how it would be for this particular board: 1x16, 2x16, 3x8, 4x8 (straight off the manual).

You can't have more than 4-way SLI/CFX due to current driver limitations so the 5th slot would be redundant for a GPU unless you want to use it for mining or something. I am not sure if that's feasible to be honest, maybe @EVGA-JacobF can be more helpful.
post #98 of 150
I will ask him I follow him on twitter, yeah I don't get the 5th slot, I am less confused now but still don't get why 3 way couldn't be 16x,8x,and 8x! But if you got that from the manual I believe you. Anyone know what PLX stand for? Wikipedia doesn't give acronym just that is a silicon pcie maker which would make complete sense already lol.
Edited by Jedson3614 - 3/17/14 at 12:45pm
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post #99 of 150
Pretty sure it is from the company http://www.plxtech.com/
post #100 of 150
Damn and I just built with the Asus Formula. This would have matched my 780 Ti Classified perfectly
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Overclock.net › Forums › Industry News › Hardware News › [EVGA] EVGA Z87 Classified Motherboard finally arrives