These seem to solve the ‘host your own cloud’ problem, but are still standard server blades requiring a ton of surrounding hardware and maintenance. Oxide is entirely integrated.

VxRail's the market leader? Last I touched it, it was a mountain of integration faults and vendors pointing fingers at each other. Maybe it's easier in larger or more traditional environments, but I'd be apprehensive of hyperconvered if VxRail's the best available