HP Pavilion Elite HPE-510f PC (Black) (Discontinued by Manufacturer) AMD Phenom II 1055T Six-Core Processor( 8GB PC3-10600 DDR3 SDRAM memory(3) (4x2GB for ultimate performance) (expandable to 16GB) 1.5TB (Terabyte) [5400RPM Serial ATA] hard drive( Genuine Windows 7 Home Premium 64-bit - makes everyday tasks simple?and makes new things possible( AMD Radeon HD 6570 graphics card with 1GB DDR3 dedicated memory