Based on 1.91 GHz E3845 or 1.75 GHz E3827 Intel® Atom™ processor, Model PICO840 supports DDR3L-1066/1333 MHz system memory up to 8 GB. Unit includes 4 high-speed USB 2.0 ports, 2 Gigabit Ethernet ports, and 2 RS-232/422/485 serial ports for machine-to-machine connections, plus 18/24-bit dual channel LVDS and VGA (or HDMI) for playback of multimedia. Designed to withstand extreme temperatures from -40 to +158°F, industrial-grade mainboard supports mSATA and one SATA-3Gb/s connector.