I do not know about commercially available, but the ESA has long selected the RISC-V NOEL-V[0] to succeed LEON in their space endeavors. 0. http://microelectro

I do not know about commercially available, but the ESA has long selected the RISC-V NOEL-V[0] to succeed LEON in their space endeavors. 0. http://microelectronics.esa.int/riscv/rvws2022/index.php http://microelectronics.esa.int/riscv/rvws2022/index.php