Gateway ZX Series All-in-One PC w/20 - Inch Monitor AMD Vision E-Series Processor with all in one desigan Features a built-in 2W stereo speaker system with Creative THX TruStudio PC audio for rich, clear sound. The USB keyboard enables comfortable typing and an optical mouse simplifies navigation/Microsoft Windows 8 64-bit operating system preinstalled 20" LCD widescreen display With Ultrabright technology and 1600 x 900 resolution showcases movies and games in stunning clarity/ 4GB DDR3 memory/Multiformat DVDRW/CD-RW drive with double-layer support/ Keyboard and Mouse included/ 500GB Serial ATA hard drive (7200 rpm)/Built-in high-speed wireless LAN (802.11b/g/n)/6 high-speed USB 2.0 ports Built in Webcam and microphone/AMD Radeon HD 6310 graphics card/Multi-in-1 media reader