Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel H81 Processors: Intel 4th generation Core i5 Quad Core, Core i3 Dual Core,Intel Pentium and Intel Celeron Memory Support: Two (2)SODIMM slots , Up to 16 GB DDR3 1600MHz Speaker: 2 x Integrated Speaker Display: 19.5 LED, 1600x900 HD, Viewing Angle 170/160, WebCam Hard Drive: Up to 1TB SATA 2.5-inch, 5400 rpm or SSD (optional) Removable Media: Dell 4-in-1 Media Card Reader (standard, Supports optional optical disc drives) Graphics: Intel HD Graphics 4600 Audio: Integrated Form Factor Communications: Realtek RTL8151GD GbE Network Connection I/O Ports: Side: Two (2) USB 3.0, Audio I/O, Rear: Two (2) USB 3.0, Four (4) USB 2.0, RJ-45, VGA, Audio I/O Power: 180W Dimensions: 50 x 31 x 6.6 cm Weight: 9.6 kg