Yes, it will simply run at PCIe x8. This is true for any match of PCIe slots and connectors. You could even put an x16 card in an x1 slot if it was open in the front, and an x1 card in an x16 slot.
Yes, it will simply run at PCIe x8. This is true for any match of PCIe slots and connectors. You could even put an x16 card in an x1 slot if it was open in the front, and an x1 card in an x16 slot.