can pci express 3.0 and pci express 2.0 work each other for sli

patriot4947 · Dec 13, 2015

i have z97-p motherboard. It have a pci-e 3.0/2.0(x16) slot and one pci-e 2.0(x16) https://www.asus.com/Motherboards/Z97P/specifications/. can i do sli 2*gtx 960? can will work pci 2.0 and 3.0 each other?

Suztera · Dec 13, 2015

It does not support SLI.

Sakkura · Dec 13, 2015

The PCIe 2.0 slot only has a PCIe 2.0 x2 connection, and SLI requires x8 on each slot. So no, SLI will not work.

patriot4947 · Dec 13, 2015

but asus write pci 2.0/3.0 that means will work as both of them so why doesn't work both of them support x 16

Sakkura · Dec 13, 2015

patriot4947 :

The first slot is a PCIe 3.0 x16 slot, though it's backwards compatible with PCIe 2.0.

The next slot is a PCIe 2.0 x2 slot, just using a full-length "x16" slot. The reason it doesn't have the 16 lanes is that it's a cheap motherboard, and to save cost they didn't implement the chipset feature that can split the PCIe lanes to two slots. Then the two slots would both have had 8 PCIe 3.0 lanes and SLI would have worked.

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can pci express 3.0 and pci express 2.0 work each other for sli

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