This is why you need to connect your gpu to the top PCIE slot

RX 6600 gpu only working on MSI B660Ms Pcie 2 slot (black gpu blocking pcie slot It could be a conflict with that one PCIe x 16 slot or a BIOS needs to be updated or possible Gigabyte might have a new vBIOS for your GPU card that might gpu with m2 slot Hi All, I am planning a dual 4090 GPU build and am seeking advice about not blocking PCIE slots with these large cards

gpu slot size Pcie x1 slot blocked by my gpu, considering using the pcie x16 slot for my wifi card