Product Detail Touch Screen: Multi-Touch; Operating System: Genuine Windows 7 Home Premium; Processor: Intel Pentium Dual core T4500 (2.1 GHz); Chipset nVidia ION Graphics - NVIDIA GeForce 9300 Integrated Graphics - 256 MB VRAM Memory: 3 GB DDRII 533 MHz SDRAM on board; Storage: 320 GB SATA Hard Disk Drive/5400 RPM; Optical Drive: Tray-load DVD Super Multi Rewriter Drive, supports Dual-layer burning; Network: 802.11b/g/n (Wireless) 10/100/1000 Gigabit LAN DISPLAY: 21.5-inch Multi-Touch Widescreen (16:9), 1920 x 1080; AUDIO HD: Audio, 2.0 Speakers with SRS Premium Sound; WEBCAME: 1.3 MP Webcam with Microphone; SIDE PANEL: 4-in-1 Card Reader (support SD/MMC/MS/XD); 2 x USB 2.0 REAR PANEL : 1 x DC-in jack, 4 x USB 2.0, 1 x LAN jack (RJ45), 1 x Microphone-in, 1 x Headphone-out, 1 x VGA-in, 1 x HDMI-in, 1 x SPDIF-out Color-matched multimedia keyboard and mouse; Hot keys for screen brightness adjustment; Function buttons for Internet Browser, Email, Volume, Rewind, Stop, Play/Pause and Fast Forward; POWER SUPPLY: 120W Power Supply; WARRANTY: 1 Year . The "MSI Wind Top AE2220-66SUS 21.5-Inch Full-HD Multi-Touch Screen Desktop PC" is best product for you. We recommended MSI Wind Top AE2220-66SUS 21.5-Inch Full-HD Multi-Touch Screen Desktop PC