The difference between PCIe x1, x4, x8, x16 and x32

pci e slot   Dan pcie 4 m2 in pcie 3 slot

- the two slots circled in blue are what ya gpugpu's will be connected inplugged in

So, there is no singular PCI Express slot There are actually four sizes : PCI Express x1, PCI Express x4, PCI Express x8, and PCI Express x16  In ASUS 「PCIe x16 Slots - 4」

new online slot sites UPDATE I reinstalled the BIOS a 2nd time and now the card works maybe I had a bad flash View solution in original post  UPDATE I reinstalled the BIOS a 2nd time and now the card works maybe I had a bad flash View solution in original post