CompuLab introduced a tiny fanless PC using 4-6 Watts of power. The Linux-ready “Fit-PC Slim” measures 4.3 x 3.9 x 1.2 inches (110 x 100 x 30mm), but includes a 500MHz AMD Geode LX800, Ethernet, VGA output, WiFi, and a 2.5-inch hard drive option, says CompuLab.