Unique, continuous EasyRail™ technology enables you to maximize available power and make set-up easy. Stack numerous power-hungry components without fear of crashing. It's also a perfect solution for hardcore gamers.- 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 capacitors (105°C)- Quiet 135mm ball bearing fan provides superior cooling- Supports multiple high-end graphic adapters (NVIDIA SLI & ATI CrossFire Ready)- Supports the latest ATX12V and EPS12V standards- Active PFC with Universal AC input- Energy Star 4.0 and RoHS compliant- 5-Year Limited Warranty