Thermaltake Purepower Fanless Power Supply
 

"In the never ending quest for the silent PC, Thermaltake weighs in with their solution to combat the ever noisy power supply. The Thermaltake Purepower 350W Fanless PSU operates absoultely fan free, as the name would suggest, but lets see how it stacks up performance wise..."

link: http://www.auphanonline.com/articles...rticle_id=1427