[St_Alfonzo]

"Sipeed Nezha 64bit RISC-V" may fit. https://de.aliexpress.com/item/1005002856721588.html

[blacksmith_tb]

Kind of expensive though, its cousin[1] is more appealing to me, though I haven't ordered one yet.

1: https://www.aliexpress.com/item/1005003594875290.html