HEWLETT PACKARD - HP Pavilion All-in-One MS220z Touchsmart- Genuine Windows 7 Home Premium 64-bit, Microsoft(R) Works 9.0, AMD Athlon(TM) II 250u dual-core processor [1.6GHz, 2MB L2, up to 3600MT/s bus] ,4 GB DDR2-800MHz SODIMM [1 DIMM], 640 GB SATA HD, Integrated graphics - ATI Radeon HD 3200 , Slim-tray SuperMulti DVD burner with LightScribe , Wireless-G LAN card, 6-in-1 memory card reader, 5 total USB, audio ,Integrated high-performance 2.0 speakers, HP multimedia keyboard and HP optical mouse, 18.5" high-def widescreen LCD PC