Raidmax RX-500S ATX 500 Power Supply Maximum Power: 500 W Efficiency: upto 75% Fan: 1x 120mm Fan Connectors: 1x 20+4 pin main connector; 1x 4pin ATX12V CPU Connector; 1x 6pin PCI-Express connectors; 4x Peripheral Connectors; 2x SATA connectors; 2x Floppy connectors Output: +3.3V @ 28A, +5V @ 38A, +12V @ 22A, -5V @ 0.8A, -12V @ 0.8A, +5VSB @ 2.0A Safety Approval: cUL, TUV, CE, CB, FCC