Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 12.5'' Display Max Resolution : 1366x768 Chipset : QM67 Processors : Intel Core i3, Intel Core i5,Intel Core i7 G2 Ram Memory : (2) two Slots, DDR3, Up to 16GB 1333 MHz Hard Disk Drive : SATA II, 7.200rpm Graphics : Intel HD Graphics 3000 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disc Drive : DVD ReWriteable USB : 2xUSB2 Ports : VGA, DP, RJ11, RJ-45 Power Supply Adapter : 65W Dimensions : 31 x 21 x 3 cm Weight : 1.7 kg