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Server power supplies are impressive. I pulled out some PSUs from old scrapped servers. In a smaller form factor than ATX they deliver more than 1kW power. You read that right. 100A at 12V actually.

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Only if you are deaf. Otherwise they are annoyingly loud.

Whhhhsssssssss

100A over how many 12V circuits? I doubt it is just a single circuit, or you would need a ~4AWG cable and rated connector?

from the PSU typically one (on hotswap supplies); e.g. on https://cdn11.bigcommerce.com/s-qfzamxn9kz/images/stencil/or... the connectors on the left are just control/sense pins and the big beefy ones are a single 12v & ground.

They plug in via an edge connector straight into the mother board, or sometimes into a separate board that connects to the mother board.

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