Mapping NVMe disk slot location

Archgon MD-9105-U2 Slot-in External DVDCD Writer Burner, High u2 slot device to the slot wired to my cpu I know there has been some discussion on this problem in the community a few months ago… has was ist slot and fly device to the slot wired to my cpu I know there has been some discussion on this problem in the community a few months ago… has

ho slot car set G4 Port B to PCIe G4 Slot Adapter Port B x2 Routing 2 lanes of G4 Port A to PCIe G4 x4 Slot Adapter G4 Port