520 Watt power supply unit for your high-end PC with Eco Plus energy saving design Eco Plus 80 energy efficiency design save up to 15 energy costs & contribute to a better environment Suitable for ATX 12V 2.0 systems using an Intel or AMD CPU Extra large 120 mm fan for optimal cooling with lower noise Noise level less than 30 db A Temperature controlled fan speed fan only spins at high speed if needed 24 pins mainboard power connector detachable to 20 pins 6-pin PCI Express VGA connector meets high-end PCIe 150W requirement 4 peripheral 1 floppy drive & 2 S-ATA connectors Active Power Factor Correction PFC 4-pin 12V connector BPackage contents Bbr Power supply unit br Users guide brbr B System requirements Bbr Mains power connection br PC with ATX mainboard & ATX case br Power cord not included br Mounting screws not included br