Interface: Dual 15pin to PCIE 8pin (6pin + 2pin). 15 Pin to 8pin / 6pin: Convert Two 15 Pin Power Connectors to 8pin / 6pin Power Connectors to Increase the Current of the Graphics Card. Not Easy to Burn Out: Solves the Problem That the 8pin / 6pin Graphics Card with Single Interface is Easy to Burn Out.