if you don’t mind a bit of steel drilling and your project case being obviously that of a PC power supply then they are very robust enclosures. The same goes for the wiring loom of motherboard ...

A computer power supply converts AC into multiple DC voltages ... Their name is derived from the type of circuit used to change the voltage. For more details, see transformer.

Power supply efficiency at different input voltages ... For crypto miners and similar, wiring up their computer room for 240 VAC (North American hot-neutral-hot) is also a popular topic, as ...