Massive 120mm fan draws heat as it builds up from the processor area and cools the power supply at the same time. Special slippery circular tube design fan-guard allows air to flow in smoothly and quietly while providing protection against unintended installation injury. Connectors Details (All power cables are in protective nylon sleeving) (1) 20+4 pin ATX Main Connector (1) 4+4 pin CPU 12V Power Connector (4) PCI-Express 6+2 pin Power Connectors (1) Floppy Power Connectors (4) 4-pin Molex Peripheral Power Connector - Patented EZ-Extract (squeeze-and-pull) Design (6) Right-angle SATA Power Connectors - Even the tightest spot drive can be reached & connected easily AC INPUT : 100-240V (Full Range - Automatic Switching) Frequency: 50-60Hz DC Output: 42A @+12V1, 42A @+12V2, 47A @+5V, 40A @+3.3V, 0.8A @-12V, 6A @+5Vsb Operating temperature range: 10oC - 45oC (50oF - 113oF) Operating relative humidity range: 20 to 90% Energy-efficient: typical 84.10%, average 81.94% efficiency MTBF Life Expectancy of this model: 100,000 hours* (11 years & 2 months) * Excludes the life of the fan which may vary depending on operating environment Dimensions: 150 x 160 x 86 mm