Those are either cost effective (at scale) but not well packaged & unobtainable hyperscaler designs or ultra expensive data center gear. Yes im sure. There's

Those are either cost effective (at scale) but not well packaged & unobtainable hyperscaler designs or ultra expensive data center gear. Yes im sure. There's now a ton of 54v power bricks at a variety of amps (a lot of 4a, 5a) for under $50. Adding poe is much more pedestrian now that these things are common consumer goods.