Atom-based UNO-2174A and UNO-2178A embedded automation computers feature a low-power-consumption, dual-core 1.67 GHz Atom CPU and 2 GB DDR2 RAM compatible with Windows 7. They are Energy Star-certified, IP40 anti-dust ingress rated, and assessed for 14–158 °F. They come with 5.1 HD channel audio, four serial ports (two RS-232/485 and two RS-232/422/485), which support any required baud rate, two Gigabit Ethernet ports and six USB 2.0 ports.