Product Detail AMD Athlon II 240 Dual-Core Processor; 3GB DDR2 System Memory (2 DIMM); 640GB Hard Drive (SATA); Genuine Windows 7 Premium 64-bit NVIDIA GeForce 6150 SE integrated graphics; Integrated audio, 6 speaker configurable with up to 5.1 surround sound capabilities; SuperMulti DVD Burner with LightScribe Technology; 1 external 5.25" bay; 1 internal 3.5" bay 10/100Base-T network interface 4 USB 2.0 ports (Back); 2 USB 2.0 ports (Front); Headphone (Front); 2 PS/2; LAN; Microphone/Line-in/Line-out (Back); VGA-out (Back) HP USB keyboard and optical mouse; Front panel 6-in-1 memory card reader supports xD, MMC, Secure Digital, Memory Stick. . The "HP Pavilion Slimline s5510f Desktop PC - Black" is best product for you. We recommended HP Pavilion Slimline s5510f Desktop PC - Black