Dell 15.6" XPS 15z Laptop 6GB 500GB | X15z-7500SLV Intel Core i7-2640M 2.80 GHz with Turbo Boost Technology up to 3.50 GHz 6 GB DDR3 1333 MHz 500 GB SATA 7200 RPM NVIDIA GeForce GT 525M with 1 GB graphics memory 15.6 in Full HD WLED TrueLife (1920 x 1080)