I just bought a 6th card for my rig, but my PSU (EVGA SuperNOVA 1000 G3, 80+ GOLD, 1000W) only has 5 8-pin GPU cables. It has a spare cable with 4 molex connectors on it, however (the part plugging into the motherboard is 6-pin, but two if them are hollow).
I was wondering if I can just get a 2 ...