Hi . i am using a msi ms 7387 mobo and i want to run a 4 gb ram on it and also a gt 730 - 2 gb gpu. Will these run smoothly on my mobo , especially the gpu ? And what is the memory cap for ram and video ram on my mobo. Will it be able to run a 6 gb ram stick ? .and also i am currently using. 2 gb ddr3 ram stick. If i add another 2 gb DDR5 ram will it work. Do the rams need to have the same ddrs ? Please reply quickly and thanks in advance ....