Supermicro X11

DDR4, FlexATX, No separate chipset

ATX, DDR4, Intel Socket 3647, Intel [C620 Series] C621

DDR4, microATX, Intel Socket 2066, Intel [C420 Series] C422

DDR4, microATX, Intel Socket 1151, Intel [100 Series] Q170

ATX, DDR4, Intel Socket 3647, Intel [C620 Series] C622

DDR4, Intel Socket 3647, Manufacturer specific, Intel [C620 Series] C622