ONE and ONLY ONE PCIEX16 slot that works at X16???

PCIe Slot Configuration Setting in BIOS pciex16 slot configuration The first PCIe x16 slot is wired to this socket The first I have used the following configuration to test the motherboard: MSI pciex16 slot configuration See, the configuration is like this 1 Slot 1 = PCIe x16 slot at x16 speed I have my GPU connected to it 2 Slot 2 = Regular PCI Slot

sizi99 slot slot that only has 4 lanes, it WILL NOT WORK Similarly, if you put a PCIe NVME SSD in a