Lenovo ThinkPad Yoga 15 20DQ001LUS Intel i7-5500U 8GB 256GB SSD Full HD Windows 8.1 Pro Laptop Computer Processor - Intel Core i7-5500U ( 2.40GHz 1600MHz 4MB) Operating System - Windows 8.1 Pro 64 Memory - 8.0GB PC3-12800 DDR3L 1600 MHz Graphics Card - NVIDIA GeForce 840M 2GB 2GB Hard Drive - 256GB SSD SATA III