EVGA SuperNova 550 GA (80+GOLD PSU/power supply)

Key Features 80 plus Gold certified, with 90% efficiency or higher under typical loads Fully modular to reduce clutter and improve airflow 100% Japanese capacitors, LLC resonant circuit design +DC-DC converter design to improve 3.3V./ 5V. Stability Double ball Bearing fan and EVGA eco mode for exceptional reliability and quiet operation Series SuperNOVA Brand EVGA Compatible Devices Personal Computer Connector Type 24-pin Output Wattage 550 Watts Form Factor ATX Wattage 550 watts Cooling Method Air Item Dimensions LxWxH 11.8 x 9 x 4.9 inches Item Weight 5.55 Pounds