Acer Veriton Z2660G-i34150X AIO Desktop -Intel Core i3-4150T (3MB Intel Smart Cache 3.0GHz) Integrated 19.5" wide (NOT touchscreen) Memory: 4GB (4/0) DDR3 SDRAM Storage: 500GB SATA hard drive 7200RPM; Super-Multi drive SD card reader Graphics: Integrated Intel HD Graphics 4400 (200MHz base frequency 1.15GHz max dynamic frequency) Communications: Gigabit LAN 802.11a/b/g/n WLAN webcam OS: Choice of Windows 8.1 Pro (64-bit) or Windows 7 Professional (64-bit)