I bought this great laptop I'm loving it, I want to upgrade it to 16 gb ( Using Oracle VM to test some virtual machine) There is a Samsung 8 gb actually insice its a cas 11. Could I mix it with a 8 GB of cas 11 from other brand or should I replace bo...

I have ordered a G551JM on the 23 of december, the store that placed the order informed me that the product is delayed till February 2015 between the 2nd and the 14th. Anyone have the same issue ??Pat