2015 Newest Lenovo ThinkPad Professional YOGA 12.5" IPS (1080P) Touch Ultrabook/Tablet (Intel Core i5-4300U 1.90GHz, 4GB, 500GB/8GB SSD WIN 8 PRO) Intel - Core i5 i5-4300U 1.9GHz 4 GB RAM / Convertible ultrabook 500 GB HDD - 16 GB SSD Windows 8.1 Pro 64-bit / free upgrade to windows 10 12.5" In-plane Switching (IPS) 1920X1080 touchscreen