Size:3.5inch(146 x 104 mm) CPU:Intel® Atom™ processor E3845 1.91 GHz quad core or E3827 1.75 GHz dual core onboard (Bay Trail) 1 x 204-pin SO-DIMM DDR3L-1066/1333 up to 8 GB 2 x RS-232/422/485 with +5V/+12V powered 2 x RS-232 with +5V/+12V powered 4 x USB 2.0 2 x 10/100/1000Mbps (Intel® i210IT) 1 x VGA 1 x LVDS 1 x HDM Digital I/O:8-IN/OUT 1 x CFast™ 1 x SATA-300 1 x Full-Size PCI Express Mini Card w/ mSATA support 1 x Half-Size PCI Express Mini Card 1 x SIM slot +12V DC-in only Operating Temperature: -40°C ~ +80°C