Acer 23" Intel i3-4130 3.4GHz All-in-One PC | AU5-610-UB11 4th Gen Intel Core i3-4000M processor features a 3MB cache and 2.4GHz processor speed 23 inch LED-backlit high-definition widescreen 10-point multitouch-screen display with 1080p (1920 x 1080) resolution and hand-gesture controls provides stunning visuals and simplifies navigation 6GB DDR3 memory for multitasking power, expandable to 16GB. 1TB Serial ATA hard drive (5400 rpm) Windows 8.1