Product Detail Advanced cable management for improved airflow and ease of use ATX12V version 2.2 120mm low noise cooling fan Heavy duty protection circuitry prevents damage resulting from short circuits, over currents, over voltages, and other dangers Universal input with active PFC . The "Antec BP550 Plus 550W ATX12V V2.2 Modular Power Supply" is best product for you. We recommended Antec BP550 Plus 550W ATX12V V2.2 Modular Power Supply