Hello to all. this is my 1st post, any and all help, or opinions, suggestions are given thanks. what I have is a dell precision m4500 with windows 7 pro 64 bit. want to max. out ram capacity. my understanding is that it is capable of supporting 16 gb. assuming this is correct. which would be best? 1)all of total in one stick? or 2) equally matched and divided into 2 sticks of total supported? also it's my researched understanding crucial inc. is the only compatible ram for larger upgrades in size. True or false. thanks for any light you may behold and care to share.