Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.6'' Display Max Resolution : 1920 x 1080 Chipset : N/A Processors : Intel Core i3,i5,i7 4th Gen Ram Memory : Two (2) SODIMM slots, DDR3, Up to 16GB, 1600 MHz Hard Disk Drive : SATA, 5.400rpm Graphics : Intel HD Graphics 4600 Network Adapter : Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : DVD ROM / DVD ReWritable USB : Two (2) USB 2.0, Two (2) USB 3.0 Ports : VGA, HDMI, RJ-45, ExpressCard, SD Power Supply Adapter : 90 W Dimensions : 37.9 cm x 29.7 x 15.05 cm Weight : 2.4 kg