HP Pavilion DV6-1149WM Entertainment Notebook PC - A6 3400M Quad Core, 4GB, 640GB, Windows 7 Home Premium - Color: Dark Umber 2.3GHz / 1.4GHz VISION A6 Technology from AMD with AMD Quad-Core A6-3400M Accelerated Processor 4GB DDR3 System Memory (2 DIMM) AMD Radeon HD 6520G Discrete-Class Graphics 640GB (5400RPM) Beats Audio