Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.6'' Display Max Resolution : 1920 x 1080 Chipset : Integrated with the Processor Processors : 5th Generation Intel� up to Core™ i7 processors Ram Memory : DDR3L SDRAM 1600MHz; 2 slots supporting up to 16GB 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 : 37.7 cm x 25.5 cm x 2.3 cm Weight : 2.14 kg