Question Help Needed - SLI Not workin on 1080TI Cards

[1080tiSLI]

Looking for some assistance please.

I am using 2 1080 TI cards and I am trying to SLI them however it's not being detected in the Nvidia control panel.

The SLI option isn't there.

I was wondering if this could be due to using risers for one of the cards?

I ended up taking the card off the riser & putting it in the machine, still the same result.

Motherboard

it says SLI on the box

I'm starting to think this SLI isn't going to work because of the slots I'm using

These 1080 TI's are watercooled using the NXZT G12 kit so they take up 3 slots in the motherboard

The first card is in the right slot (PCI X16) but the other card might be in a x4 slot

is that going to cause SLI to not be detected within windows 10?

 

[Gam3r01]

Which specific slots are you using?

 

[1080tiSLI]

Which specific slots are you using?

x16 for the first 1080ti

and x4 for the 2nd 1080ti

is the x4 slot causing issues?

If so, would buying this fix it: https://www.amazon.com/gp/product/B087RTZBRL/ref=ox_sc_act_title_1?smid=A1EA54VWB150Z7&psc=1

 

[Gam3r01]

That would be the issue, SLI needs x8 lanes, at minimum.
A riser to the correct PCIe lane should help, cant speak for that one specifically but it should be fine.
Additionally, you may want to look into high bandwidth SLI bridges for your setup.

 

[digitalgriffin]

That would be the issue, SLI needs x8 lanes, at minimum.
A riser to the correct PCIe lane should help, cant speak for that one specifically but it should be fine.
Additionally, you may want to look into high bandwidth SLI bridges for your setup.

Some BIOSes allow you to reconfigure lanes. Like give more lanes to a second pcie gpu slot with the disabling of the last slot. Check your manual/bios.

 

[1080tiSLI]

That would be the issue, SLI needs x8 lanes, at minimum.
A riser to the correct PCIe lane should help, cant speak for that one specifically but it should be fine.
Additionally, you may want to look into high bandwidth SLI bridges for your setup.

Thanks! I'm going to try that riser, will report back with results!

 

[1080tiSLI]

@Gam3r01

Thanks again for the help! it worked: