Power reduction from 1x CPU 8-PIN to 2x8pin (6+2 PIN) PCIe to power the graphics card.
Never load the cables/source more than is allowed by the source manufacturer / defined by the standard. Always check how much your PC power supply can provide on a given power branch. According to PCI-SIG, the maximum safe consumption on the PCIe 8-PIN connector is set at 150w.
1x 8-PIN CPU FEMALE
2x (6+2 PIN) PCIe MALE