Processor Intel Core i 3-2120 3.3 G Hz Memory 6GB DDR RAM Configuration 4GB + 2GB 2 x DIMM slot Hard Drive 500GB SATA Optical Drive DVD Writer Software Operating System: Genuine Windows 7 Home Premium Display 21.5” Non-Touch LED Graphics Intel HD Input Devices Acer wireless Keyboard & Mouse Networking Wired LAN WLAN: 802.11 b/g/n Interfaces USB (Universal Serial Bus) 2.0 ports Headphone & microphone jacks 1 x Ethernet (RJ-45) port Audio ports 1 x VGA port Warranty 1 Year Manufacturer Warranty