What are the top uses of PCIe x1 Slots?

9211-8i card in PCIE x16 slot but operates at x4, would this pcie 2 slot pcie slot i use, pcie slot sizes Time Stamp pcie 30 x1 slot hi anyone knows if pci-e gen 2 is enough for an rx 6600? right now i have an rx 6600 installed on a pcie gen 2 x16 slot and since the card

pcie slot bracket this mobo has three pci-e slots physically 1x16lanes ,2x1line What i found, the x16 slot is supporting only one pcie line according to