The Dell Mini 9 had an Atom N270, which is rated at 2.5W max. TDP: http://ark.intel.com/products/36331/Intel-Atom-Processor-N270-512K-Cache-1_60-GHz-533-MHz-FSB

The Dell Mini 9 had an Atom N270, which is rated at 2.5W max. TDP: http://ark.intel.com/products/36331/Intel-Atom-Processor-N270-512K-Cache-1_60-GHz-533-MHz-FSB http://ark.intel.com/products/36331/Intel-Atom-Processor-N27... There are (or were) plenty of fanless designs around that CPU on the market, from embedded/industrial PCs to nettop barebones, ITX mainboards and "panel computers" (i.e. early tablets).