6 Pin to 2 X 8 (6+2) Pin:One end is PCIe 8 Pin female port, the other end is PCIe 2 X 8(6+2) Pin male port. PCI Express power cable?6 Pin female port connecting to PSU, the other 2 X 8(6+2) Pin male port connecting to GPUs. 6 Pin to 8 Pin adapter: Connected 6 Pin power supply to 8 Pin & 6 Pin graphics card, The 6+2-pin male connectors offer maximum versatility. Widely compatible: Compatible with 6 Pin & 8 Pin graphics cards from popular manufacturers from ASUS, ASRock, Radeon, Sapphire, and Gigabyte. Solution: Provide additional power demand, Provide convenient solution for supplying video graphics card power with an 8 pin & 6 pin connector for GPU cards that require more power.