HP Pavilion Elite HPE-470f Desktop PC - Black (Discontinued by Manufacturer) AMD Phenom II 1090T Six-Core Processor (3.2 GHz, 3MB L2 + 6MB Shared L3 Cache, 4000MHz System Bus); 8GB PC3-10600 DDR3 SDRAM memory (4x2GB) (expandable to 16GB); 1.5TB (Terabyte) 5400 RPM Serial ATA hard drive; Genuine Windows 7 Home Premium 64-bit ATI Radeon HD 5770 graphics card (1GB DDR5 dedicated graphics memory) with support for Blu-ray and Microsoft DirectX 11; Combo Blu-ray/SuperMulti DVD Burner with LightScribe Technology; High Definition Audio with up to 7.1 surround sound capabilities Ports: (Front) Headphone, Microphone, 3 USB 2.0; (Back) 4 USB 2.0, 1 FireWire (IEEE 1394), dual link DVI, HDMI, VGA & Display Port, Optical Audio Out, LAN, Microphone/Line-in/Line-out, Rear speaker-out, Side speaker out; Center (subwoofer) 10/100/1000Base-T network interface, Wireless LAN 802.11b/g/n HP USB keyboard and optical mouse, Front panel 15-in-1 memory card reader