Can a PCIe x1 fit in a PCIe x16 slot?
And the thing which I love most about the PCIe is that you can use any PCIe Card on any PCIe Slot, that means you can use easily use any PCIe x16 card in any PCIe x1 slot or vice versa.
pci-e x8 in a x4 port? : r/homelab
Essentially I want to see how is a half-length x8 different from an x4 PCIe slot? ... Yes; As long as the card will fit in your case, a PCIe x4 slot can handle the card you describe.
Can I Use a PCIe 3.0 Graphics Card in a PCIe 4.0 Slot?
Learn whether PCIe 4.0 graphics cards will work in PCIe 3.0 motherboard slots. ... Can I Use a PCIe 4.0 Graphics Card in a PCIe 3.0 Motherboard Slot?