Stuck on Gigabyte Insist Ultravdurable Screen Pc

All 4 of the NVMe slots are currently occupied, but the second PCIe 5 x16 slot is unoccupied It's to my understanding only the two slots

possible to run 3 gen 4 GPU with gen 3 risers by switching to PCIE gen 3? Dravyn June 30, 2021,

gpu slot width Use the force Pull steadily on the graphics card, until the GPU is out of the socket Don't yank it, don't move it side to side,

gpu with m2 slot Use the force Pull steadily on the graphics card, until the GPU is out of the socket Don't yank it, don't move it side to side,