Lenovo ThinkPad Yoga 12 PROFESSIONAL 2-IN-1 ULTRABOOK: Intel Core i5-5300U | 500GB+16GB SSD | 8GB | 12.5" (1920x1080) IPS | TOUCHSCREEN | Digitizer | Windows 8.1 Pro Easily change between four modes  Laptop, Stand, Tablet, and Tent ; Legendary ThinkPad Durability & Reliability Intel i5-5300U (2C, 2.30 / 2.90GHz, 3MB, 1600MHz) ; 8 GB DDR3L SDRAM ; 500 GB 7200 rpm Hard Drive with 16 GB Solid-State Drive 12-Inch Anti-glare Screen IPS Full HD (1920x1080) , Intel HD 5500, TouchScreen Digitizer pen; Backlit Keyboard; 8-cell long battery life; Windows 8.1 Professional, Eligible to upgrade to Windows 10 Pro for Free.