Samsung Series 7 NP700Z5A-S09US 15.6-Inch Laptop (2.5 GHz Intel Core i5-2450M Processor, 8GB DDR3, 500GB HDD, Windows 7 Home Premium) Silver Intel Core i5 2450M Processor 2.5GHz 8GB DDR3 RAM 500GB Hard Drive. Key board includes Number pad 15.6-Inch Screen, AMD Radeon HD6750M (PowerXpress) Graphics Windows 7 Home Premium (64-bit)