Bifurcation is done on the CPU. Asus 5.0 Hyper M.2 with yield 4x4x4x4 in a board that is setup for bifurcation of PCIE slot 1 like that. I have run 4 GPUs thi

Bifurcation is done on the CPU. Asus 5.0 Hyper M.2 with yield 4x4x4x4 in a board that is setup for bifurcation of PCIE slot 1 like that. I have run 4 GPUs this way and it works very well.