Dell Optiplex 780 Desktop /2.93 GHz/16GB DDR3 RAM/ 160GB HDD/DVDRW/ Windows 10 Pro/20" inch LCD Monitor/ USB keyboard and mouse/ WiFi Adapter/VGA Cable/ Power Cords Intel Core2 Duo 2.93GHz, 4GB DDR3 RAM, 250GB HDD,DVD ROM Operating System: Windows 10 Comes with a free WIFI USB ADAPTER To Allow Wireless Internet Use The premier OptiPlex 780 is Dell's most powerful and flexible desktop solution designed for best-in-class performance and collaboration, while enabling business-class control. It delivers premier technology that helps simplify systems management and security that blend seamlessly into office environments/ Home use Convenient onscreen access to your peripherals through the available plug-and-play