Apple MacBook Pro ME664LL/A 15.4-Inch Laptop with Retina Display (OLD VERSION) 2.4 GHz Quad-Core Intel Core i7 Processor with Turbo Boost up to 3.4GHz 8 GB 1600MHz DDR3L Memory 256 GB Flash Storage 15.4-inch Retina Display; 2880x1800 Resolution; NVIDIA GeForce GT 650M Graphics Mac OS X Mountain Lion, 7 Hour Battery Life