Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel H61 Express Chipset Processors: Intel 2nd & 3rd generation Core i3 Memory Support: Up to 16GB 1600 MHz DDR3 (SODIMM) Display: 20" Wide LED 16:9 (1600x900) Hard Drive : HDD or SSD Removable Media : N/A Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics Audio : High Definition (HD) Audio, Realtek ALC269Q Communications : One gigabit ethernet port, Realtek RTL8111E-VB I/O Ports : Side: (2) USB 2.0, Microphone, Headphone, Rear: (4) USB 2.0, Display Port, (RJ-45 Power : 150 W Dimensions : 506.8mm x 71.5mm x 411mm Weight : 6.835~7.055 kg