Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Display Size : 15.6" Display Max Resolution : 1366 x 768 Chipset : Intel HM86 Processors : Intel Core i3, i5, i7 4th Gen Ram Memory : (2) two Slots, DDR3L-SDRAM, Up to 16GB Hard Disk Drive : SATA, 5400 rpm or SSD Graphics : Intel HD Graphics Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : No Optical Disc Drive : DVD ROM USB : 2 x USB 2.0, 2 x USB 3.0 Ports : VGA, HDMI, Rj45 Power Supply Adapter : N/A Dimensions : 37.4 x 25 x 3.45 cm Weight : 2.3 Kg