M2 NVME SSD only uses 2 Lanes instead of 4 Lanes

website m 2 slot with pcie x4 lanes The NVMe PCIe interface consists of one or more lanes connected serially, which can best support data transmission between a host computer and an SSD *PCIe and m2 pcie 40 in 30 slot 2 slots with x4 PCIE lanes each

m 2 slot with pcie x4 lanes This 2-in-1 SSD PCIe Adapter is a multi-functional NVMe conversion card, which can support the PCIe protocol NVMe SSD to connect directly to the  I bought the adata drive knowing that both slots support pcie x4 This is really frustrating since I expected at least 2900 read speed 0   PCIE3 is used for PCI Express x1 lane width cards PCIE4 is used for PCI Express x4 lane width graphics

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