120mm low noise cooling fan Three 12V output circuits provide added system stability Industrial-grade protection circuitry prevents damage resulting from short circuits, power overloads, over voltage, and under voltage 80 PLUS certified: reduces operating costs and protects the environment 6 SATA connectors One 6+2 PCI-E connector Safety approvals: UL, CUL, FCC, T V, CE, CB, C-tick, CCC Universal Input Active Power Factor Correction PFC PF value up to 99%