NVIDIA RTX 3080 PCIe vs PCIe x16 Benchmarks

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It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead

Your PCIe card will run at the lowest generation present So if you put a PCIe card in a PCIe slot, you'll get PCIe performance  Historically, updates to PCIe doubled transfer rates and used multiples of 8 since generation With PCIe , bandwidth capacity is 64

how do you beat a slot machine Historically, updates to PCIe doubled transfer rates and used multiples of 8 since generation With PCIe , bandwidth capacity is 64 It's worth noting that the PCIe standard is backwards compatible, so you can, for instance, use a PCI-e graphics card in a PCI-e slot without issue,