Enhance 400W P4 Dual Fan Power Supply W/SATA Specifications Mfr Part Number: ATX-1140H Output Wattage: 400W Mechanical Type: ATX 12V 1.3 Dimension: 150 x 140 x 86 mm AC Input Spec: 100 ~ 127V @ 8A/60 Hz or 200 ~ 240V @ 4.5A/50 Hz, Manual Select Hold up time: 14ms @ full load