Designed to conform to the new Eu P Lot 6 laws, The Ci T Active 85 550W PSU is apply with an 80+ Bronze standard unit that offers a minimum of 85% performance at 50% load. Ideal for system integrators, this unit features a low noise 12cm fan, a black coated chassis & sufficient cabling to support most entry to mid level system builds. Key Features 550W APFC 85% Efficient PSU Eu P Lot 6 Ready 12cm Black Fan Retail Boxed Compatible with Intel ATX 12V v.2.3 & EPS 12V v.2.92 standards Single + 12v rail provide more stability & safer power output Silent FDB 120mm fan for best overall airflow & heat dissipation Voltage protection, over power protection, short circuit protection, thermal overload cut-off protection Low noise & ripple This 12V ATX PC power supply is the best choice for your desktop computer