Would connecting a PCIe GPU to a PCIe port affect

For example, on a x16 slot – the one you slot a graphics card into

GPUs PCIe slots and still can't make them both use x16 Using GPU-Z, I found the following: - GPU-1 : supports x16 , using x4

pcie 4 ssd in pcie 3 slot 4 lanes 4 of them are used to connect to the chipset So 20 lanes are available for direct connection 16x goes to PCIe Slot1

pcie 40 gpu in 30 slot GPU : 6dT9AXK Buy MSI Radeon RX 6900 XT : https