3 way SLI not working GTX 980s only showing 2 gpus

xxxlun4icexxx

Honorable
Jun 13, 2013
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Hi all,

I just installed another GTX 980 (gigabyte g1) and I am having an issue. It is still not showing 3 GPUs. It is only showing 2. It is saying that PCI-E slot 4 and 6 are hooked up. All of the LEDS are on the card so I'm not really sure what the issue is. All I can say is, it is a snug fit. The fans seem to be operating ok, but they are pretty close together in there.

Any ideas?

my motherboard is an asus rampage x99.
 
Solution
Even with the reduced PCI lanes you can run 3 way sli at 8x. I would need to look into it more but I bet it is a bios setting. One of the asus boards has a hard switch for 2 vs 3 way sli.