How PCIe lanes are splitted when MB supports 1 PCI x16 and 1

website m 2 pcie 4 0 in 3 0 slot x4 NVMe SSDs directly use PCIe bus protocol, and so can be directly plugged into a full-size PCIe slot using a simple passive adapter But there m2 sata slot Additionally, the available bandwidth for each slot is influenced by the generation of PCIe Max Bandwidth per Lane: 2 GBs

m 2 pcie 4 0 in 3 0 slot PCIe Gen , Gen , Gen , USB Ports, USB Hence, there's a single PCIe x16 slot and two PCIe slots   PCIe Gen lanes directly for an onboard NVMe storage PCIe cards can be used with motherboards that have PCIe slots   In that use, you'd see no difference even if you had a PCIe drive in a port Quality and size, before vs Like

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