Yeah, SLI/X-fire are pretty much dead.
It's funny how DX12 sold the idea that it would make multi-GPU a lot easier, and yet it has helped to kill it.
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.