Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Display Size : 15.6" Display Max Resolution : 1366 x 768 Chipset : N/A Processors : Intel Core i3 G4 Ram Memory : (2) two Slots, DDR3, Up to 16 GB Hard Disk Drive : SATA II, 5400rpm or 7.200rpm, Hybrid, SSD Graphics : Intel® HD Graphics Network Adapter : 1 Gigabit Ethernet WiFi : N/A Web Camera : N/A Optical Disc Drive : N/A USB : 2 x USB 3.0, 3 x USB 2.0 Ports : DIsplayPort, LAN, Port Replicator, Multi Card Reader Power Supply Adapter : Autosensing AC adapter (100/240 V) for worldwide usage, 3.95 A Dimensions : 38 x 25.39 x 3.49 cm Weight : 2.6 kg