zeyuanfu :
Yes, I would recommend that over the two individual sticks.
i am new in this, if my first time building a pc, so maybe i make some mistakes, but thats what i was looking for, advices, before ordering all this components cause i dont want any problem, and also i wanted to keep my pc as cheaper as posible, but i dont have any idea about power supplys and cases, i just took what seemed to be the best, here in mexico the power supplys that i can find are; evga, corsair, thermaltake, cooler master and aerocool, i was planning on getting an aerocool 700 wattsts 80+ bronze but many people told me it will burn my system so thats why i looked for a 80+ gold, and the case i was going to get was the aerocool strike x extreme white edition, if you can guide me, i will much apreaciate it.