One Rail One Setup... The worlds only PSUs with Easy Rail 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. KEY FEATURES 850W 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 70A/840W) High quality Japanese brand capacitors (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 Detachable modular cables Energy Star 4.0 & Ro HS compliant 5-Year Limited Warranty Cable Connectors: 20+4pin Power 4+4pin ATX12v 8pin ATX12v 2x 6pin PCI-Express 2x 8pin PCI-Express (4x PCI-E Total) 9x SATA 9x 4pin Molex 1x Floppy Specifications: Input Voltage 90-264 Vac Input Frequency Range 47-63 Hz Input Current 12A (rms) Efficiency up to 85% PFC >0.95 at full load Maximum Wattage 850 Multi-Graphics Cards Support NVIDIA SLI ready certified ATX12V 2.2 & ESP12V 2.91 Compliant Efficiency @ Typical Load 85% 80PLUS Certification Bronze Maximum Operation Temperature 50°C +12V Output Rail Design Single Rail Quality of Capacitors High quality Japanese brand capacitors Temperature Rating of Capacitors 105°C Fully Sleeve Cables DC to DC Converters (+3.3V & +5V) Intake Fan: Diameter 135 x 135 x 25 mm Intake Fan: Airflow 82 CFM min