Easy Rail™ Technology Provides Maximum Power Unique, continuous Easy Rail™ technology enables you to maximize available power & make set-up easy. Stack numerous power-hungry components without fear of crashing. Its also a perfect solution for hardcore gamers. The worlds only PSUs with Easy Rail™ KEY FEATURES 550W of continuous power at 50°C Tight voltage regulation (±5%) High efficiency operation up to 85% (80 Plus Bronze) Single, high power +12V rail (up to 53A/636W) High quality Japanese brand capacitor (105°C) Quiet 135mm ball bearing fan provides superior cooling Supports multiple high-end graphic adapters (NVIDIA SLI & ATI Cross Fire Ready) Supports the latest ATX12V & EPS12V standards Active PFC with Universal AC input Energy Star 4.0 & Ro HS compliant 5-Year Limited Warranty