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

PCIE slot configuration in bios? pciex16 slot configuration PCIe boards can fit into slots designed for their lane configuration or higher Plugging a x4 PCIe into a x16 slot is acceptable pciex16 slot 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

great blue slot review It's a slot of x16 size but electrically x4 This