Kingwin Lazer Platinum Series 550 Watt Power Supply with Universal Modular Cables LZP-550 Supports Intel Core i7-980X /Core i7 /Core i5 /Core 2 Quad/Core 2 Duo & AMD Phenom II X6 /Phenom II X4 /Phenom II X3 /Athlon 64 X2 High Performance CPU Compliance with ATX 12V v2.2, EPS 12V v2.91, and SSI EPS 12V v2.92 Specification Crystal Cube Modular Plug with Patented Power Connector Cable Management System Hybrid Dual Voltage Automatic Switch System (Patent) Superior Vertical Double Layer Main Transformer (Patent) 80 PLUS Platinum High Efficiency Power Supply Certified Intelligent Auto Fan Speed Control