Cooling 3 Fan Cooler for Microsoft Fat Xbox 360 by A1store Powers by the 360 console no external adaptors required. Snap-on assembly for easy installation, no tools required. Improved protection for internal circuitry. This fan is for fat Xbox 360, not compatible with the slim Xbox 360. Three powerful fans increase system airflow, keeping the console cool. NOTE:Can be powered by Xbox 360 console, but the better is to use an independent power supply. Input Voltage Required: 110-240V. Power shortage happens if below 110V, which will affect the Fan and Xbox360.