Acer Aspire V3-571-6475 15.6-Inch Laptop (2.5 GHz Intel Core i3-3120M Processor, 4GB DDR3, 500GB HDD, Windows 7 Home Premium) Nightfall Gray Intel Core i3-3120M 2.5 GHz (3 MB Cache) 4 GB DDR3 500 GB 5400 rpm Hard Drive 15.6-Inch Screen, Intel HD Graphics 4000 Windows 7 Home Premium 64-bit, 4.5-hour battery life