Kingwin 1000 Watt Certified ATX Power Supply, 80 Plus Bronze - KX-1000 Supports Intel Sandy Bridge / Core i7-980X / Core i7 / Core i5 / Core 2 Quad / Core 2 & AMD Phenom II X6/Phenom II X4 / Athlon II X2 series High Performance CPU 140MM LED Silent Cooling Fan Compliance with ATX 12V v2.2, EPS 12V v2.91, and SSI EPS 12V v2.92 Specification Intelligent Auto Fan Speed Control Over Power/Under Power/Over Voltage/Short Circuit Protections Supports Intel Sandy Bridge / Core i7-980X / Core i7 / Core i5 / Core 2 Quad / Core 2 & AMD Phenom II X6/Phenom II X4 / Athlon II X2 series High Performance CPU 140MM LED Silent Cooling Fan Compliance with ATX 12V v2.2, EPS 12V v2.91, and SSI EPS 12V v2.92 Specification Intelligent Auto Fan Speed Control Over Power/Under Power/Over Voltage/Short Circuit Protections AC Input 115V & 230V. Full-Range APFC More than 82% Efficiency (At 230V. The Average Data in 20%, 50% and 100% Load) PCI-E 6 Pin & 8 (6 + 2) Pin Connector Satisfy High-End Graphic Card Requirement