Can a PCIe Device Work in a PCIe Slot?

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With PCIe you get roughly 2 GBs of bandwidth per lane, giving the 6500 XT a ~8 GBs communication link with the CPU and system memory But

Biostar ; 1, 1 x AMD Socket AM4 CPU ; 2, 4 x DIMM DDR4-4933+ ; 3, 4 x SATA III Connectors ; 4, 1 x PCIe x4 Slots ; 5, 1 x PCIe x4 Slots  The biggest and best PCI Express slot is the PCI Express x16 slot Pretty much the only thing that uses x16 slots outside of graphics cards is server-grade

buffalo gold slot demo It'll surely be a bottleneck if you're using a PCIe or card in a PCIe slot Simply because the slot doesn't have enough PCIe vs PCIe