As far as I am aware, I know I'll need another 780 Ti as you can't SLI two different cards well (forgive me if I'm wrong, still learning the whole custom build shmuck), but I need one that's 280mm or smaller due to restrictions in the case. If this can't happen I'll look into another case that supports two cards bigger than 280mm, but the Palit is around 400-and-something mm. I want the best possible graphical quality with the least frame dips out of 1440p. I know places where I can get certain cards cheaper, so don't worry about price, go wild