Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 14'' Display Max Resolution 1366x768 or 1600 x 900 or 1920 x 1080 Chipset : N/A Processors : Intel Core i5 6th Gen Ram Memory : Two (2) SODIMM slots, Up to 16 GB DDR3 1600 MHz Hard Disk Drive : Up to 1TB SATA 5400 rpm or SSD (Optional) Graphics :  Intel HD Graphics 4400 Network Adapter : Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : DVD ROM / DVD ReWritable USB : Two (2) USB 3.0,One (1) USB 2.0, Ports : Docking connector, VGA, HDMI, Card Reader, RJ-45 Power Supply Adapter : 65W Dimensions : 33.7 x 23.6 x1.3 cm Weight : 1.13 kg