Lenovo ThinkPad Helix 36984LU 11.6-Inch Detachable 2 in 1 Touchscreen Ultrabook (1.8 GHz Intel Core i5-3337U Processor, 4GB RAM, 180GB Flash Memory, Windows 8 Pro) Black Windows 8 Professional, 11.6 inches Display Intel Core i5 3337U 1.8 GHz 180 GB Flash Memory, 4 GB RAM Memory 10-hour battery life, 3.54 pounds Manufacturer Warranty: 3 Years