HP Pavilion p6630f Desktop PC - Black (Discontinued by Manufacturer) Intel Core i3-550 Processor (3.2 GHz, 512KB L2 + 4MB Shared L3 Cache); 6GB PC3-10600 DDR3 SDRAM memory (3x2GB) (expandable to 8GB); 1TB (Terabyte) 7200 RPM Serial ATA hard drive; Genuine Windows 7 Home Premium 64-bit Intel HD integrated graphics; SuperMulti DVD Burner with LightScribe Technology; High Definition Audio with up to 7.1 surround sound capabilities External Ports: (Front) Headphone & Microphone (Front), 2 USB 2.0 ports; (Back) 6 USB 2.0 ports, VGA-out & DVI-D, Microphone/Line-in/Line-out; Rear speaker-out; Side speaker out; Subwoofer, 1 FireWire (IEEE 1394), Coaxial Digital Audio Out (SP-DIF) 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