Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 14.0'' Display Max Resolution : 1920 x 1080 or 1366 x 768 Chipset : Integrated with the Processor Processors : Intel Core i3, i5, i7 5th Gen Ram Memory : Two (2) x SODIMM slots, Up to 16 GB DDR3L 1600MHz Hard Disk Drive : 500 GB 7200 rpm, 1TB rpm or SSD (Optional) Graphics : Intel HD graphics Network Adapter : Integrated GbE Network Connection WiFi : Yes Web Camera : Optional Optical Disc Drive : No Optical Drive USB : Three (3) x USB 3.0 Ports : VGA, HDMI, RJ-45, Two M.2 Expansion slots: 1 WWAN/HCA and 1 WLAN/BT/WiGig Power Supply Adapter : 90W Dimensions : 33.4 cm x 23.1 cm x 2.3 cm Weight : 1.8 kg