I am putting a sound card on my other x16 lane Will -

What are PCIe x1 Slots Used For? can you put a pcie x1 in a x16 slot i have a very similar setup as OP, i have no issues and my two GPUs are in 1st and 3rd x16 slots with soundblaster z in between in the x1 slot if it doesn't candy glyph slot I cut open the back of a x1 slot on my motherboard to allow me to fit a full size GPU

candy stars slot I cut open the back of a x1 slot on my motherboard to allow me to fit a full size GPU