"I have wanted to build a fully passively cooled computer case since I had my first Athlon
Thunderbird 800 MHz. That time the fan noise was amazingly high, and manufacturers didn´t
much care about the noise levels, and didn't offer products for building a quiet PC.
Nowadays a quiet PC is not much of a challenge to build, but totally silent?"
FULL STORY @ METKU (http://metku.net/index.html?path=mods/passive/index_eng)