... 1.OS:Windows xp/7 2.CPU:INTEL ATOM 3.RAM:1G/2G 4.HDD:160GB,250G,320 Ultra-thin 13 ... laptop with Intel Atom D2500 dual-core 1.86Ghz,2G RAM&320G HDD,1.3M camera,Wifi and 2cells 3200Mah battery ... laptop with Intel Atom D2500 dual-core 1.86Ghz,2G RAM&320G HDD,1.3M camera,Wifi and 2cells 3200Mah battery ...