There's just not much serious market for a 'build your own' server platform. Almost anyone serious buys systems prebuilt from Dell/HP/Lenovo, which have nice in

There's just not much serious market for a 'build your own' server platform. Almost anyone serious buys systems prebuilt from Dell/HP/Lenovo, which have nice integrated solutions solving all of these problems, but the elements are too tightly coupled to work well in a piecemeal environment. For example, power might be distributed entirely using a backplane that the PSUs, fan trays, and motherboard all plug into. Since the market for DIY is so small, there's no real push for standardization, which would support a modular environment like standard PCs, and there's some disincentive too, since the vendors want flexibility to do cooling etc. in the best way. So what you end up with is a combination of low-volume bespoke solutions and 'ugly hacks' to make the high-volume commodity parts work in a way they weren't really designed to. The closest that exists out there is probably SuperMicro. They have a decent variety of chassis, backplanes, motherboards and so on that work well together in a system, and the stuff is pretty decent quality. But because they are still designed for 'serious' workloads, they will not hit the cost of an equivalent desktop PC.