CABLE-YEPS828 "Y" splits 1 x 8 pin EPS-12V power into dual 8 pin EPS-12V power. This is a special engineered cable for High-end Skulltrail and Core I7 platform systems. The Skulltrail and Core I7 Platform requires dual Socket Motherboards with dual 8 pin EPS-12V power. This cable is developed to expand utilization of your power supply to meet higher demand, eliminate the need to shop for advanced and expensive power supply.