Product Detail AMD Phenom II 830 Quad-Core Processor (2.8 GHz, 2MB L2 Cache + 6MB Shared L3 Cache, 4000 MHz System Bus); 6GB DDR3 System Memory (3 DIMM) (expandable to 16GB); 1TB (5400RPM) Hard Drive (SATA); Genuine Windows 7 Premium 64-bit ATI Radeon HD 5450 Series Graphics with 512MB DDR3 dedicated graphics memory, DVI/HDMI capabilities & support for Blu-ray; High Definition Audio with up to 7.1 surround sound capabilities; SuperMulti DVD Burner with LightScribe Technology HP wireless keyboard and optical mouse; 6-in-1 memory card reader supports xD, MMC, Secure Digital (SD, SDHC), Memory Stick, Memory Stick Pro, MMC+ 10/100Base-T network interface; Built-in wireless LAN 802.11b/g/n 4 USB 2.0 ports (Back); 2 USB 2.0 ports (Front); Headphone(Front); Digital Audio Out; LAN; Microphone/Line-in/Line-out; Rear speaker-out; Side speaker out; Center (subwoofer)(Back); DVI and HDMI available on the graphics card . The "HP Pavilion Slimline s5560f Desktop PC" is best product for you. We recommended HP Pavilion Slimline s5560f Desktop PC