Will my graphics card work in all PCIe slots?

what slot does the gpu go in
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A PCIe or PCI express slot is the point of connection between your PC's “peripheral components” and the motherboard The term “PCIe card” and “

Does that mean a PCI2 graphics card will work on a PCI4 motherboard? I am not sure if this is due speed issues or lack of enough power on the PCIe slot,

what is the postcode lottery In general, it is not recommended to use a PCIe x4 or x8 slot for a high-performance graphics card These slots do not provide the same bandwidth as a PCIe x16

what are poker chips As spotted by @momomo_us, this feature will allow users to easily remove a graphics card installed in the primary PCIe slot on a Z690-based