Lenovo Notebook Flex 2 15 15.6 Inch Touchscreen Convertible LaptopIntel Core i5 4210U (3M Cache, up to 2.70 GHz), 6GB RAM, 1TB HDD, DVD+/-RW (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty. Intel Core i5-4210U Processor (3M Cache, up to 2.70 GHz), 6 GB DDR3 RAM, 1TB 5400 rpm Hard Drive 15.6-Inch FHD (1920 x 1080) IPS LED Backlight Display with 10-Point Multi-Touch Intel HD Graphics 4400, DVD+/-RW, Bluetooth 4.0 Windows 8.1 operating system, upgradable to the new Windows 10