Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q87 Processors: Intel 4th generation Core i7/i5 Quad Core, i3 Dual Core and Pentium Dual Core Memory Support: Two (2)SODIMM slots ,16 GB dual?channel DDR3 1600MHz Speaker: Internal speaker amplifier Display: 23” LED, 1920x1080 FHD Hard Drive: one 2.5-inch SATA or SSD (Optional) Removable Media: Optional, Dell 8-in-1 Media Card Reader Graphics: Integrated Intel HD Graphics 4600 Audio: Internal Dell audio speaker Communications: Integrated Intel I217LM GbE Internet Connection I/O Ports: Side: Two (2) USB 3.0, 1 Media-card reader, Audio I, Rear: Two (2) USB 3.0, Four (4) USB 2.0, Two (2) USB 2.0, RJ-45, HDMI,2 PS/2, Audio I/O port Input Devices: Standard Keyboard, Mouse (USB or PS/2) Power: 200W Dimensions: 57.4 x 38.6 x 6.8 cm Weight: Non-touch All-in-One systems: 7.6 kg, Touch All-in-One systems: 9.44 kg