N56JK-DB72 Intel Core I7 2.5GHz 12GB RAM 1TB HDD WLS W8.1 x64 Intel Core i7-4710HQ 2.5 GHz Up to 3.5 GHz Quad-core ProcessorHDD 1TB HDD RPM 5400RPM Hard Drive, 12GB DDR3L RAM; 1TB 5400RPM Hard Drive 15.6-Inch Screen Resolution 1920 x 1080 ,Operating System Windows 8.1 64-Bit Optical Drive Type Blu-Ray Burner, Graphics Card NVIDIA Geforce GTX 850M, Video Memory 4 GB GDDR3