Or simply use a case which has the ports at the top, so both motherboard and graphics card are vertically oriented, but still plugged in normally. Case fans are

Or simply use a case which has the ports at the top, so both motherboard and graphics card are vertically oriented, but still plugged in normally. Case fans are at the bottom and push air up out the back slots at the top. Example: Silver Stone Fortress case https://bjorn3d.com/2010/05/silverstone-fortress-series-ft02/ https://bjorn3d.com/2010/05/silverstone-fortress-series-ft02...