Lenovo ThinkPad Twist S230u 12.5-Inch Convertible 2 in 1 Touchscreen Ultrabook (33476LU) New - Retail 1-Year Limited Warranty Lenovo 33476LU Lenovo ThinkPad Twist S230u 33476LU 12.5 Convertible Ultrabook/Tablet Intel Core i7-3537U 2GHz 8GB DDR3 500GB HDD Intel HD Graphics 4000 Windows 8 Pro 64-bit