HP TouchSmart 310-1125f REFURBISHED. NO RETURNS. Genuine Windows 7 Home Premium 64-bit - makes everyday tasks simple-and makes new things possible; AMD Athlon II 245e Dual-Core Processor; 2.90GHz; AMD 880G Chipset; 2MB Cache; 4000MHz System Bus; 4GB PC3-10600 DDR3 SDRAM memory (2x2GB) (expandable to 8GB); 750GB (7200RPM Serial ATA) hard drive; Slim Tray SuperMulti DVD Burner with LightScribe Technology Read: 8x max DVD-ROM, 24x max CD-ROM Write: 8x max DVD R, 6x max DVD R DL, 8x max DVD+RW, 6x max DVD-RW, 5x max DVD-RAM, 24x max CD-R, 24x max CD-RW; ATI Radeon HD 4270 integrated graphics; Up to 1919MB Total Available Graphics Memory as allocated by Windows 7; HP wireless keyboard and wireless optical mouse Integrated webcam and built-in microphone; Touch-enabled 20" diagonal widescreen HD LCD Display.