hey guys im planning to upgrade my ram from 2gb to 4gb. but my question is my 2gb ram is DDR2 and most of 4gb rams are DDR3 can't find DDR2 or wala gyd DDR2 na 4gb? and if pwede ba 4gb DDR3 ako gamiton? ma support ra ba na sa akong motherboard? i need your expert advice guys, answers will be appreciated..tnx