What Are PCIe X8 Slots Used For?

PCIe X8 slots are used for high-performance graphics cards, as they can provide up to eight times the bandwidth of a standard PCIe slot. This is perfect for cards that need to run at resolutions high enough to require a dedicated graphics card, such as 4K monitors.

Because of their bandwidth demands, PCIe X8 slots are typically reserved for the most powerful graphics cards available.

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