Does my laptop's motherboard support PCI gen 4?

PCIe Gen 4x4 UD85 gen4 ssd in gen 3 slot PCIe vs PCIe : what are the main differences? Simply put, PCIe Gen 4 has double the throughput of PCIe This is true for every new pcie slot height Kinda odd he spent nearly 4 minutes talking about the difference between Gen 3 and Gen 4

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