DEEPCOOL DN550 550W EU Certified Power SupplyFeatures :Compliant Intel ATX12V V2.31      Active PFC Makes The Efficiency Higher      80 PLUS® 230V EU Certified — Up To 85% Efficiency      120mm Silent Fan With Temperature Control Function      The Longer Cable Design Supports Cable Management Perfectly      Double-Layer EMI Filter Protects From Electromagnetic Interference & Restrains Noise      Intelligentized Eco-Friendly Chipset,  Consume < 1W In Its Off-Mode, Compliant Erp Standard      CircuitShield™ —OVP, UVP, SCP, OPP      Supports Multi-Way SLI / CrossFire + Multi-Core CPUs      High Reliability With An MTBF Of At Least 100,000 Hours Of Use**03 Year Warranty.DN550 Is Certified To 80 PLUS® 230V EU, Achieving Up To 85% Electrical Efficiency, Lowering Heat Generation And Reducing Operational Costs. The PSU Is Designed To Have < 1W Power Consumption Under Off-Mode, And Is Therefore Compliant To The Effective Radiated Power (ErP) Standard. Outstanding And Stable Performance Of This PSU Makes It One Of The Best Choices For A Wide Range Of Applications.Silent, High Performance Fan120 Mm Silent Fan With Temperature Control That Provides An Incredible Performance-To-Noise Ratio.