VIA Eden ULV 500
The VIA Eden ULV 500 is an ultra low voltage x86 CPU that was launched in August 2007. VIA claimed it uses just 1 watt of energy to operate. This particular CPU is fitted on an EPIA-N700-05E motherboard that, in total, will not consume more than 10W of energy. VIA also made versions with 1GHz and 1.5GHz CPU's that use slightly more power.