> I've built up several of the Supermicro SYS-5015A-EHF boxes (1U rack, > dual core 1.66G Atom, dual Gb Intel LAN, IPMI) with 4GB and an SSD, > uses less than 25w at idle and less than 30w doing a-j3 userland build > (according to my cheap little wattage testing device).
At first I said "sweet!" but then I realized if you have to run a build for 24 hours you probably haven't saved any energy ;-)