Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 13.3" Display Max Resolution : 1366 x 768 Chipset : QM67 Express Processors : Intel® Core i3, Intel® Core i5,Intel® Core i7 G2 Ram Memory : (2) two Slots, DDR3, Up to 8GB Hard Disk Drive : SATA, 7.200rpm Graphics : Intel HD Graphics 3000 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disc Drive : Optional / DVD-ROM / DVD ReWriteable USB : 2 x USB2 Ports : VGA, Mini HDMI, USB/eSATA combo, RJ-45, Docking, ExpressCard34, Memory Card Reader Power Supply Adapter : 65W Dimensions : 33.5 x 22.3 x 3 cm Weight : 1.65 kg