such things existed but no, they outlawed it and i was burning plastic not eating paint... with a magnifying glass, usually - i also liked to fry ants and cigarette butts

i already have spent a lot of time finding non-wireless routers in the last few years, tyvm

but, 10 base T is like, so 2000

most motherboards have had 100mbit rj45 STP since about 2005

in future just say ethernet, and then you are covered from now until eternity, because that standard was created in the 60s and hasn't changed much since, like all good things, once you get them right