Can I insert a PCIe x4 card into a PCIe x1 slot?

What can you fit into a PCIe x1 slot? pcie x1 slot function
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pcie 4 in pcie 3 slot 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