Unique, continuous Easy Rail technology enables you to maximize available power & make set-up easy. Stack numerous power-hungry components without fear of crashing. It's also a perfect solution for hardcore gamers. Enables you to maximize available power & make set-up easy. Stack numerous power-hungry components, such as your GPU, CPU & other components, without fear of crashing. In addition this PSU has also been award the 80 Plus Bronze certification for its high power efficiency & is also designed for NVIDIA SLI & AMD Crossfire multi-GPU systems making it a perfect solution for hardcore gamers. Conventional PSU uses multi-rail technology which basically combines cheaper & lower wattage PSU into one single PSU to generate a higher total wattage. However, smaller rails have lower maximum wattages so left over wattage on individual rails become too small to handle major components & gets wasted.