Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 14'' Display Max Resolution : 1600 x 900 or 1366 x 768 Chipset : N/A Processors : Intel Core i3,i5,i7, Intel Pentium, Intel Celeron 4th Gen Ram Memory : Two (2) SODIMM slots,up to 16 GB, DDR3 Hard Disk Drive : Up to 1 TB 5400 rpm or 500 GB 7200 rpm or SSD (Optional) Graphics : lntel HD Graphics 4600 Network Adapter : Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : DVD ReWritable USB : Four (4) x USB 2.0, Ports : VGA, mini DP, RJ-45,ExpressCard slot, 4-in-1 card reader, Docking connector Power Supply Adapter : 58.32W Dimensions : 34.4 x 23.9 x 3.7 cm  Weight : 2.25 kg