MSI Z97S SLI Krait Edition can´t do SLI? X8 or X16?

fabiofialho1 · Jan 15, 2018

Hi everyone, i have some kind of issues on my Z97S SLI Krait mother board.. i´m trying to do SLI but the second slot don´t recognize the second graphics card? is the same problem as you? the X8 should be to X16? how i change it? thanks How i change it? thanks

sizzling · Jan 15, 2018

With Z97 motherboards sli will run each gpu at X8 and not X16, there are not enough pcie lanes for X16 & X16. It doesn't matter though, there is no measurable performance loss.

WildCard999 · Jan 15, 2018

What GPU's are your trying to SLI? Also list all your specs.

fabiofialho1 · Jan 15, 2018

WildCard999 :

i´m trying to SLI 2x GTX 950

fabiofialho1 · Jan 15, 2018

WildCard999 :

i´m trying to SLI 2x GTX 950

fabiofialho1 · Jan 15, 2018

sizzling :

But i have one Pcie with X16 and the other one is with X8 and the second one can´t detect the graphic card! help me plz!

fabiofialho1 · Jan 15, 2018

sizzling :

And i clearly see on the box of my motherboard and it says, that my mother board " Z97S SLI Krait Edition" is capable of 2x Pcie Gen3 X16 so i don´t know why shouldn´t do it..?

sizzling · Jan 15, 2018

It will have 2 pcie X16 slots but no cpu for that socket has 32 pcie lanes which is needed for X16 X16. When you get sli running both will run at X8.

You really don't need to worry about X8 with GTX950's. Both gpu's are connected to the psu and you have the sli bridge installed?

fabiofialho1 · Jan 15, 2018

sizzling :

Yes i have the sli bridge installed, but the problem i can not do SLI! i don´t know why, my mother board don´t recognizethe second graphic card! and in the BIOS the second Pcie slot is empty and is on X8

sizzling · Jan 15, 2018

Have you tested each card on its own?

pete_101 · Jan 15, 2018

Probably best to un-install the graphic drivers (use DDU), then using only 1 card, install the drivers again. Then power off and put the 2nd card back in and see if it's detected.

WildCard999 · Jan 15, 2018

Each 950 should be in the white PCIE slot and connected to the PSU if the extra power is needed. From there turn the system on and go into the Device Manager, both cards should show up under Display Adapters. If they do then go to Nvidia and download the newest drivers, during installation check the box to perform a clean installation. Once that is done go into Nvidia Control Panel and enable SLI, done!

fabiofialho1 · Jan 15, 2018

sizzling :

Yes i already do that... ;/

fabiofialho1 · Jan 15, 2018

pete_101 :

I already do that.. unistall all graphics drivers and install it again, but i may do that again more carefully.. tomorrow

fabiofialho1 · Jan 15, 2018

WildCard999 :

One of my 2 graphics card don´t need psu cable, she already takes energy from the Motherboard, and on the device manager it only shows one graphic card and can´t have the option in Nvidia Control Panel.. so basicly i don´t know what to do more..

WildCard999 · Jan 15, 2018

It could be a defective PCIE slot, I had a issue with my MSI Z87 MPower where I lost power one night and all of a sudden the second PCIE slot stopped working correctly. It read the card, kind of, however SLI wasn't able to be activated.

fabiofialho1 · Jan 19, 2018

WildCard999 :

Yeah.. maybe is taht.. the second Pcie slot won´t work anymore... i tried to put the main graphic card in the seconde Pcie slot and that didn´t detect anything... maybe its borke... i should buy some new graphic card and give this SLI for my brother new´s pc.. what mother board you can say is better for SLI?

WildCard999 · Jan 19, 2018

It's going to be tough to find a 1150 socket motherboard for a reasonable price as anything new is going to be well over $200. I think you should wait until GPU prices come back down then sell both cards and buy a single better GPU as SLI profiles are pretty limited and you may not see much of a improvement in some games.

fabiofialho1 · Jan 20, 2018

WildCard999 :

yeah but.. im building another pc to my brother, so i´m probably gonna buy a new sli motherboard to him and give him the SLI, and i buy a new GPU now for me.. i think it´s the most resonable thing to do..

WildCard999 · Jan 20, 2018

The problem with SLI is that the driver support is pretty poor nowadays, in some games you may see no improvement or even worse performance over a single GPU.

MSI Z97S SLI Krait Edition can´t do SLI? X8 or X16?

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