1,motherboard is MSI X470(may be this is the key point, with the ryzen 2600x, they can only support 2 8x pcie3.0)
2, the CPU is ryzen 2600x
3, with 6 active DPtoDVI connecter,each GPU 3 connecters , and 8to8 video matrix. The monitor is 6 55' samsung LCD.
4,I want to build a SLS with the MGPU eyefinity. and the application to use mainly the IE & Chrome.