Product Detail Connectors: 4xPeripherals (4pin), 2xSATA (15pin), 1xFloppy, 1xM/B (20+4pin), 1xP4 (4pin), 1xPCI-Express (6pin) Output: +3.3V@26A; +5.0V@32A; +12V1@14A; +12V2@17A; -12V@1.5A; +5Vsb@2.5A Over-current, over-voltage and short-circuit protection >73% energy efficiency and ultra quiet 12cm fan Package contains one power supply and AC power cord . The "Eagle Voltas ET-PSVT550E 550Watt ATX12V Power Supply, 10 connectors, Single PCI-E" is best product for you. We recommended Eagle Voltas ET-PSVT550E 550Watt ATX12V Power Supply, 10 connectors, Single PCI-E