Product Detail AMD Athlon II 240e Dual-Core Processor (2.8 GHz, 2MB Cache, 4000MHz System Bus); 4GB PC3-8500 DDR3 SDRAM memory (2x2GB) (expandable to 8GB); 750GB (7200 RPM) Serial ATA hard drive; Genuine Windows 7 Home Premium 64-bit Touch-enabled 20 Inch diagonal widescreen HD LCD Display; ATI Radeon HD 4270 integrated graphics; Slim Tray SuperMulti DVD Burner with LightScribe Technology; High-performance 2.0 Speakers External Ports: 6-in-1 memory card reader; Headphone; Microphone; 6 USB 2.0 ports (2 left side, 4 back); Line Out; RJ45 (10/100/1000 LAN) (back) 10/100/1000Base-T network interface, Wireless LAN 802.11b/g/n HP wireless keyboard and optical mouse, Integrated webcam and built-in microphone . The "HP TouchSmart 310-1020 All-in-One Desktop PC - Black" is best product for you. We recommended HP TouchSmart 310-1020 All-in-One Desktop PC - Black