How to find out if your computer has a PCI express x16 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 x16, 5 GHz, 16, 1, 8,000 MBs PCIe x1, 8 GHz, 1, 1, 1,000 MBs PCIe If you see that the contacts on a PCI Express x16 slot are reduced to

pcie 3 slot B550M DS3H ACAMD B550 Ultra Durable Motherboard with Pure Digital VRM Solution, PCIe x16 XPG GAMMIX S50 CORE PCIe Gen4 x4 2280 Solid State Drive –

pcie 4 m2 in pcie 3 slot If you have the option of multiple slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD upgrade When combined