2x2gb ram increase

explainitlikeimanidiot

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Nov 3, 2009
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Hi all.
I have bought an fx 6350 and upgraded my 4850 to a 1gb 7850
I currently have 2x2gb of 1333 c9 kingston value ram. Seeing as this is an upgrade to a really sheap budget build, it is likely that my next upgrade path will be a new build. Unless AMD pull a rabbit out of the bag with a new AM3+ cpu range.
Seeing as the next build/upgrade will probably be a couple of years away and ddr4 likely to be the norm by then, am I just as well to get 2x1gb or 2x2gb sticks for the other slots or ditch the current 2x2gb and get 2x4gb in 1600 or 1866?
Most uses are prety normal office word,excell, surfing and games. I don't play multiplayer online games. Just RPG, with dai being the most demanding offering that i am looking forward to, after i finish skyrim and get dishonoured?

Advice is as always appreciated