Pcie Lanes Connectx-3 NIC question

Max # PCI lanes - Asus Z790-P with dual capture card pci 4 in pci 3 slot Steps to determine the PCI Express version is supported by your motherboard pcie x16 expansion slot A PCIe graphics card will work in a PCIe motherboard slot at PCIe speeds For PCIe graphics cards, maximum graphics throughput

pcie x 16 slot PCIe slots feature the same pin layout and thus are forwards and backward-compatible However, a PCIe card slotted into a PCIe slot will