Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Display Size : 15.6" Display Max Resolution : 1366 x 768 Chipset : N/A Processors : Intel Core i3, i5, i7 G2 Ram Memory : (2) two Slots, DDR3, Up to 8GB Hard Disk Drive : SATA, HDD or SSD Graphics : Intel HD Graphics Network Adapter : Gigabit Ethernet WiFi : Yes Web Camera : No Optical Disc Drive : Yes USB : 4x USB 2.0 Ports : VGA, RJ45 Power Supply Adapter : N/A Dimensions : 35.7 x 25.7 x 3.4 cm Weight : 2.8 kg