Operating System : Windows 7 or 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 14.0" Display Max Resolution : 1600 x 900 Chipset : Mobile Intel QM87 Express Processors : Intel® Core™ i3, i5,i7 G4 Ram Memory : (2) two Slots, DDR3, Up to 8GB Hard Disk Drive : SATA, 7200rpm Graphics : Intel HD Graphics Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : No Optical Drive USB : 2x USB 3.0 (1x Powered) Ports : VGA, Mini DisplayPort,4-in-1 Media Card Reader, Docking Power Supply Adapter : 45 W Dimensions : 33.9cm x 2.1cm x 23.2cm Weight : 1.8 kg