If Usenet's requirements haven't increased in a 2-3 decades, and in its moribund state I expect they haven't, then it should be trivial to run Usenet servers on

If Usenet's requirements haven't increased in a 2-3 decades, and in its moribund state I expect they haven't, then it should be trivial to run Usenet servers on almost any device, at least in terms of resources.