Extends and splits one PCI Express 6-pin power connector into dual PCI Express 2.0 8-pin(6+2) connectors. Its extended length provides a better solution for graphics cards used on Extended ATX Motherboards. This cable will allow you to upgrade without having to change power supply and is 100% compatible. It supports 6-pin or 8-pin graphic cards and is ideal for NVIDIA SLI cards (requires quad 6-pin PCI Express 2.0), or ATI CrossFire cards (requires dual 8-pin PCI Express). Just connect the cable to one PCI-Express 6-pin from power supply, and you'll get dual 6/8-pin PCI Express 2.0 output to your latest graphic card. This cable is specially designed for high-end systems and is also Skulltrail compatible.