watered down compared to a full file server. that's exactly what it is, a simplified version of a local server. there was no argument that I could see, just a comment of how they became popular, which makes sense.
why would you need two power circuits? what kind of hardware are you running? standard residential is what, 15A? derating being 20% for constant load, 12A, 120V.. that's about 1.4kW. What systems of yours (x2) draws that much power?