... 15.6 INCH I7 4GB RAM 500GB HDD, DVDRW LAPTOPS,USB 3.0 I7-2670QM processor second-generation Intel ® Smart Core ™ ... size 6M L3 cacheChipset Intel HM65 chipsetMemory Type DDR3-1333 memoryMemory size 4GMemory slot number 2Maximum support memory 8GGraphics ... switch function, set explicit / discrete graphics intelligent switchingInterface, two USB 3.0, USB2.0, VGA, HDMI, the audio input and output, multi- ...