Antec Phantom 350W Fanless Power Supply
 

http://www.extremeoverclocking.com/r...tom_350_1.html

Review Quote:
The Antec Phantom 350W fanless power supply represents the ultimate in silent PC performance. This power supply boasts an awesome 85% efficiency rating, one of the highest ratings available on the market today. Fully ATX12 version 2.0 compliant, this PSU can meet the high current requirements and provide the proper connectors for the latest Intel & AMD motherboards and peripherals.