Five motherboards are confirmed:
VideoCardz writes there will also be at least four other boards, like the Fatal1ty Gaming K4 and K6, Master series and SLI Xtreme.Z390 Extreme4 Z390 Pro4 Z390 Taichi Z390 Taichi Ultimate Z390M Pro4
VideoCardz writes there will also be at least four other boards, like the Fatal1ty Gaming K4 and K6, Master series and SLI Xtreme.Z390 Extreme4 Z390 Pro4 Z390 Taichi Z390 Taichi Ultimate Z390M Pro4