EVGA 8 PIN to 6+2 8 PIN PCIE VGA Power Supply Cable SuperNOVA. 
Power supply wattage: 550-1300 
EVGA power supply models: GA, G2, G3, G5, G6, G+, others

This cable is to connect from the EVGA power supply 8 PIN to the Graphics Card 8 PIN or 6 PIN