More importantly, one of those 3 way OTG cables with USB-C power input on one and usually USB-A male socket where you plug in your terabyte SSD. Seems to be a bit tricky to find them, nobody seems to give them a consistent name.

https://www.amazon.co.uk/gp/product/B09J2MRL8S This one does the thing, I believe. It better, I have one arriving tomorrow. Gonna need to take my motorola defy and get its battery replaced, it started swelling, and yeah then run this on a 1tb SSD, and a couple other little servers... give away my spare laptop at the pawn shop for a fraction of its price and have blockchain will travel :D