Acer Aspire AS5750-9422 15.6-Inch Laptop (Intel Core i7 2670QM, 2.20GHz Turbo Boost Technology up to 3.1GHz, 4GB RAM, 500GB HDD Black) Intel Core i7 2670QM(2.20GHz) 6MB L3 Cache Turbo Boost Technology up to 3.1GHz 4GB SDRAM RAM 500GB 5400RPM Hard Drive 15.6-Inch Screen, Intel HD Graphics Windows 7 Home Premium 64-bit, 4.5 hours Battery Life; Energy Star