Compaq Presario CQ5600F Desktop PC - Black (Discontinued by Manufacturer) AMD Athlon II 170u Processor (2.0 GHz; 1MB L2 Cache; 1000MHz System Bus); 2GB PC2-6400 DDR2 SDRAM (1x2GB expandable to 4GB); 500GB (7200 RPM) Serial ATA hard drive; Genuine Windows 7 Home Premium 64-bit NVIDIA GeForce 6150 SE integrated graphics; SuperMulti DVD Burner with LightScribe Technology; Integrated audio, 6 speaker configurable with up to 5.1 surround sound capabilities External Ports: Headphone, Microphone (Front), 2 USB 2.0 ports (Front), 4 USB 2.0 ports (Back), VGA-out (Back), Microphone/ Line-in/ Line-out (Back), LAN (Back) 10/100Base-T network interface Compaq USB keyboard and optical mouse