how much memory of 4gb ddr2 ram is used

Gokulkrishnan

Reputable
Mar 17, 2014
12
0
4,510
I have 2gb ddr2 ram
My mobo-dg41rq supports only ddr2
If I upgrade it to 4 gb, will my pc use the entire 4gb??
Or I need to buy a ddr3 ram mobo.

I plan to install. hd7770 graphics card.
I have Intel dualcore e5400 2.77ghz
 

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