Z590 Motherboards Feature PCIe Gen 4.0 Compatibility Only With 11th Gen Intel Rocket Lake Core i9, Core i7, Core i5 CPUs
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Riser Cable PCIe 4.0 x16 - 300mm | Cooler Master
PCIe 4.0: Everything you need to know, from specs to compatibility to caveats | PCWorld
PCIe 4.0 vs. PCIe 3.0 GPU Benchmark | TechSpot
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