What's the bandwidth and form factor for PCIe x1 x4 x8 and x16?

PCIe slots come in different sizes: x1, x4, x8, x16, and very rarely x32 The number after the x tells you how many lanes that PCIe slot has For example, a

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pcie 2 slot Pretty much, its a 16x slot that runs at 4x electrically which means its going to have 14 the bandwidth You are going to lose a lot of

pcie 4 m2 in pcie 3 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