pci x16

Forum discussion tagged with pci x16.
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    Question GPU PCIe bus showing x4 instead of x16

    I bought a desktop yesterday, with a Gigabyte B360M D3H motherboard and Gigabyte GT 1030 2 GB GPU. Which is inserted into the PCIe x16 (Top pcie port). But i can see in system info that my GPU's PCI Bus is x4. Can anyone please explain this ? My Build: Intel i3 8100, Gigabyte B360M D3H...