HP Pavilion 20-b014 20" All-in-One Desktop (1.40 GHz AMD E1-1200 Processor, 4 GB RAM, 1 TB Hard Drive, DVD-RAM/&plusmn;R/&plusmn;RW, Windows 8 64-bit) Black HP Pavilion 20-b014 All-in-One Desktop Computer 20-inch diagonal HD+ Active Matrix TFT Color LCD display (1600x 900); AMD Radeon HD 7310 4 GB DDR3 SDRAM, 1 TB 7200 RPM Hard Drive, DVD-Writer DVD-RAM/R/RW Dual Layer 2 x USB 3.0, 4 x USB 2.0, Wi-Fi 802.11b/g/n, Gigabit Ethernet, Web Camera 720p USB Keyboard and Mouse, Microsoft Windows 8 64-bit