Acer Aspire V5-531-4636 15.6-Inch Laptop (1.3 GHz Intel Pentium 967 Processor, 4GB DDR3, 500GB HDD, Windows 7 Home Premium) Black Intel Pentium 967 1.3 GHz Dual Core (2 MB Cache) 4 GB SDRAM,500 GB 5400 rpm Hard Drive Acer FineTip keyboard, Built-in numeric keyboard, Multi-gesture touch pad 15.6-Inch Screen, Intel HD Graphics Windows 7 Home Premium 64-bit , 4hours Battery Life Intel Pentium 967 1.3 GHz Dual Core (2 MB Cache) 4 GB SDRAM 500 GB 5400 rpm Hard Drive 15.6-Inch Screen, Intel HD Graphics Windows 7 Home Premium 64-bit , 4hours Battery Life