Will my graphics card work in all PCIe slots?

PCIe & Riser Cables: Everything You Need to Know pcie 4 card in pcie 3 slot Currently, even the fastest graphics cards from Intel, AMD, and Nvidia still utilize the outdated PCIe standard Sure, you can pair them with a PCIe Gen 5 pcie m2 slot IBP-G4X16-3 Backplane PCIe Gen 4 Expansion 3 slot backplane 3 Slot x16 Gen4 Add-On card Slot Speed, x8 Gen4 Active Switch Components, No (passive

pcie x32 slot Yes, PCIe standards are thankfully backwards compatible, meaning that a PCIe device will work in a PCIe slot, but it will only be able to reach PCIe