Hello Guys, i have Samsung laptop: np300e5z-s01ae (Laptop website : http://www.samsung.com/pk/consumer/computers-peripherals/laptops/essential/NP300E5Z-S01AE ) I want to know if adding 4 gb of rams is good for it to make them 8gb for a better performance and better gaming, is 8gb good for this laptop? or it may do problems? Please answer