Acer Aspire AS5750-6414 15.6-Inch Laptop (2.5 GHz Intel Core i5-2450M Processor, 4GB DDR3, 500GB HDD, Windows 7 Home Premium) Black Intel Core i5 2450M Processor 2.5GHz (3MB Cache) 4GB DDR3 RAM 500GB 5400RPM Hard Drive 15.6-Inch Screen, Intel HD Graphics 3000 Windows 7 Home Premium 64-bit, 4.5 hours Battery Life