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What's the difference between true x8.x8 SLi and x16x16 SLi?

post #1 of 5
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I see that some new SLi boards say it has "True x16 x16 SLi" What's the difference between that and the x8x8 boards?
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My System
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CPUMotherboardGraphicsRAM
Intel i5 4570 Haswell 3.2 ASUS Z87-A 1150 MSi GTX 1070 8GB G.Skill Sniper 1600 
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500 Samsung 850 EVO SSD, 1tb Seagate SATA3 Pioneer Dual Layer, NEC DVD Burner Cooler Master EVO CPU Windows 10 64bit 
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25" HP 25cw FHD Saitek Eclipse Corsair GS600w Antec One 
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post #2 of 5
more bandwidth per PCI-E slot.
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post #3 of 5
The new boards allow the full bandwith of PCIe for both cards.
post #4 of 5
I thought only the ASUS A8N32-SLi or whatever model has the dual x16 pci-e slots.

Anyway, it's meant to have more bandwidth, but the things is, cards can't take full advantage of dual x8 yet (just look up benchmarks of a card then the same card in SLi, not a 100% increase, sometimes slower, which I don't get). You could invest in one of these boards waiting for a card to come out to fully use dual x16, but that may while, but hey, still good to have.
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post #5 of 5
I believe ASUS was the first to release a board with 32 lanes for video, but there are others now.
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