Lenovo ThinkPad Twist S230u 33476UU 12.5-Inch Convertible 2 in 1 Touchscreen Laptop (1.8 GHz Intel Core i5-3337U Processor, 4GB DDR3, 500GB HDD, 24GB SSD, Windows 8 Pro) Black Intel Core i5 3337U 1.8 GHz (3 MB Cache) 4 GB DDR3 500 GB 5400 rpm Hard Drive, 24 GB Solid-State Drive 12.5-Inch Screen, Intel HD 4000 Graphics Windows 8 Professional, 6-hour battery life