> Sadly I doubt that anyone will make RISC-V motherboard with PCIe slots
The SiFive Freedom U500 platform (already available to integrators, AFAIK) has a PCIe 3.0 bus, it would be natural to have a PCIe slot (or a couple, if they have the lanes for it) on the dev board.
The SiFive Freedom U500 platform (already available to integrators, AFAIK) has a PCIe 3.0 bus, it would be natural to have a PCIe slot (or a couple, if they have the lanes for it) on the dev board.