DYNAPOWER USA DP-40P2U 20+4Pin 400W 2U Single Server Power Supply Type: Complied with ATX and ATX12V Main Connector: 20+4Pin Output Current: 12V@20A, 5V@40A, 3.3V@20A, -5V@0.3A, -12V@0.8A,+5V/SB@2A Input Voltage: 115 / 230 V Input Frequency Range: 50/60 Hz Input Current: 10A(RMS)@115VAC, 5A(RMS)@230VAC Fans: by forced air 2 x 40mm Ball Bearing Fan MTBF: 100,000 hours on maximum load at +25°C ambient Temperature