ASUS U36JC-B2B Thin and Light 13.3-Inch Laptop (Black) Intel Core i5-480M Processor 4GB of DDR3 1066MHz RAM (2x2GB, 2 slots) 500GB SATA Hard Drive (7200 RPM); No optical drive 13.3" HD LED Display, NV 310M 1G DDR3 + Intel GMA HD (Optimus Technology) Windows 7 Professional Operating System (64 bit) ;up to 6 hours of battery life