HP Pavilion 500-281 PC With convenient expandability options, the HP Pavilion500 is the versatile PC that will grow as your needs do. With its clean modern style, it’ll fit seamlessly anywhere you put it. With fast processors, strong graphics, and more storage, you’ve found your ideal PC. Windows 7 Home Premium 64-bit. 4th generation Intel Core i3-4130 processor. 4GB PC3-12800 DDR3-1600 SDRAM memory 1x4GB(expandable to 16GB). 1TB 7200RPM Serial ATA hard drive. Intel HD Graphics 4400. USB keyboard with volume control and optical mouse. SuperMulti DVD Burner. 4 USB 3.0. Wireless LAN 802. 11b/g/n featuring Single-band (2.4Ghz). 1 year limited hardware warranty and 1 year technical support. Featuring Windows 7. DTS Sound+: Delivers immersive surround sound complete with deep bass, clear dialog and maximum volume to multimedia content. HP Simple Pass: Easily access your online accounts with a single password or PIN, and keep your identity to yourself. HP Simple Pass remembers your passwords, so you get to the good stuff faster. McAfee: Free 30-day Trial of McAfee Live Safe service included. McAfee LiveSafe service enriches your digital life by protecting your data, identity and all your devices so you can connect with confidence. 24×7 technical assistance via on-line chat, e-mail, HP Support Forum or HP Total Care.