Just as a heads up, you could have used a PCIe m.2 riser if you had the empty slots for it. You might not be able to directly boot from it with an older BIOS/UE

Just as a heads up, you could have used a PCIe m.2 riser if you had the empty slots for it. You might not be able to directly boot from it with an older BIOS/UEFI, but that is easily workaroundable.