Top uses of the PCIe 1x slot on your motherboard

And then he installed in a PCI-E 1x slot and it worked! Because of the smaller size and only 1x speed function it can be used for basic display

I recently swapped out my old MB for a MSI MEG X570 Unify motherboard and and now my Intel Wi-Fi 6E AX210 based PCIE Adapter won't function in

pcie gen 4 in gen 3 slot function, RAID Setup wizard, operating system installation function, and diagnostic functions PCIe x16 full-height half-length slots, plus 1x OCP slot

pcie slot size A 1x PCI-E expansion card will fit into a 16x slot The physical size difference will leave the rest of the slot unoccupied, but this is normal This slot