What are the top uses of PCIe x1 Slots?

pcie x1 slot function
➡️【Mk.com】✅कैसीनो गेम्स का एक समृद्ध चयन✅ और एक उपयोगकर्ता के अनुकूल इंटरफेस प्रदान करता है, जिससे खिलाड़ी कभी भी, कहीं भी अपने पसंदीदा कैसीनो गेम का आनंद ले सकते हैं। ✅ 

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

pcie gen 4 in gen 3 slot M · NVME Adapter PCI-E x1 to M · NVME M · Dual Slot M · NVME SSD M2 PCIE 1x Adapter PCIE To M2 Adapter M · Multi-Function USB Hub eSATA SATA Port

pcie 4 gpu 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 in