We took a look on OCZ's ModStream 520 W power supply.

Here is a snippet: "With the computer parts consuming more and more power, choosing the correct power supply for your system is very important. A wrong power supply can make your computer freeze, crash, reset from out of the blue and overheat (because the power supply has an ultimate role in the airflow inside the PC - a lot of people aren't aware of this)"



Link: HardwareSecrets