CPU Cooler blocking PCIe port - what can I do?

My motherboard has three pcie x16 size slots, but I cannot use one of them for usb controller pcie x4 card: the pcie16_1 is for GPU, the

As above, possibly a PCI-E 1x ribbon extension or if your case has a vertical GPU mount or is a

gpu slot types A graphics card can block the Pcie slot if it is physically larger in size or if it has components that obstruct the slot This can prevent the proper insertion

gpu slot Yes, a graphics card can block a PCIe slot if it is too large or if other components on the motherboard obstruct the slot Some graphics cards are designed with