970 & 980 sli

[thenoobie243]

So I'm wondering if you could sli the gtx 980 and the gtx970

 

[Gam3r01]

No, you have to SLI the same base architecture.
970 and 970, 980 and 980 and so on.

You can change the manufactures, as the clock speeds will be slowed to match however.