500W ATX12V V2.31 Active PFC Computer Power Supply with Low Noise 120mm Fan

Features Active PFC with full range AC input. 120mm fluid dynamic bearing, improving airflow. Up to 80% efficiency under typical loads. EMI design, filter design, low noise, low ripple, and high efficiency. With over voltage protection, under voltage protection, over power protection, and short circuit protection. Adopting ATX12V V2.31 version, better compatibility and more stable.