This Logisys PS550E12 550W power supply boasts its powerful and quiet performance by installing 120mm ball bearing fan with a 75 CFM air flow and 2000 RPM speed. generates 550-watts of power for all your computer peripherals! Whether you have the ultimate gaming machine or a number-crunching monster, this power supply is what you need! The Logisys 550W power supply features four Molex connectors and two Serial ATA power connector! Get yours today!