I understand but I can't find it written down so please accept my weariness.
a gpu requires all pcie slots it has to be populated
they are there for a reason
do you think you know better then the people that actually made the card? =)
see this card requires 2 pcie pins as wellhttps://www.youtube.com/watch?v=FuMW2xp7HvI
he plugged them both and it didnt blow up XD