HP Pavilion Slimline s5730f PC. Genuine Windows 7 Home Premium 64-bit; AMD Phenom II 511 Dual-Core Processor; 3.40GHz; 2MB L2 Cache; 4000MHz System Bus; AMD 760G Chipset; 4GB PC3-10600 DDR3 SDRAM memory (2x2GB) (expandable to 8GB); 750GB (7200RPM Serial ATA) hard drive; SuperMulti DVD Burner with LightScribe Technology; Write: 16x max DVD+/-R, 12x max DVD+/-R DL, 8x max DVD+RW, 6x max DVD-RW, 12x max DVD-RAM, 40x max CD-R, 32x max CD-RW Read: 16x max DVD-ROM, 40x max CD-ROM; ATI Radeon HD 3000 integrated graphics; Up to 1919MB Total Available Graphics Memory as allocated by Windows 7; 10/100Base-T network interface.