HP ENVY TouchSmart 15-j009wm AMD Quad-Core A8-5550M 2.10GHz Notebook PC Processor: 2.1GHz up to 3.1GHz AMD Quad-Core A8-5550M Accelerated Processor RAM: 8GB DDR3L SDRAM (1 DIMM) Maximum supported = 16GB Hard Drive: 750GB 5400RPM hard drive with HP ProtectSmart Hard Drive Protection Graphics: AMD Radeon HD 8550G graphics with up to 4204MB total graphics memory Operating System: Microsoft Windows 8 64-bi