JEMC on 07 April 2014
@eFKac: I don't know much about laptops, but when pairing RAM sticks, the usual things to look at are the speed and latency (meaning that both sticks "should" be 1600MHz and CL11 or whatever are the values of your current RAM).
That or simply go and get a single stick with 8GB of RAM 
.
And I would go for quantity over speed, 8GB 1333MHz better than 4GB 1866MHz.
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.
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