Ultra-thin 13.3 inch laptop with Intel Atom D2500 1.OS:Windows xp/7 2.CPU:INTEL ATOM 3.RAM:1G/2G ... 4.HDD:160GB,250G,320 Ultra-thin 13.3 inch laptop with Intel Atom D2500 dual-core 1.86Ghz,2G RAM ... ,Wifi and 2cells 3200Mah battery SpecificationDigital Screen16:9CPUIntel Atom D2500 1.8GHzOSWindows 7, Vista, LinuxSDRAM1GB/2GB DDR3 optional HDD160GB\250GB SATA optional ...