Resolved* PCIE x16 slot stuck at x1 mode while gaming

Depending on your graphics card and motherboard, some of the PCI-e slots on your motherboard will be specifically meant for use with your primary graphics card

Also could use simple extension cables to make use of slots that are covered by a large card My x399 has two full x16, two full x8 wired to the

does oxford downs have slot machines You'll be able to do more with less in this case, since a PCIe x8 slot can handle almost exactly what a PCIe x16 slot can currently

does it matter which pcie x16 slot i use PCIe version of motherboard slot This is great for laptops The second method talks about