I don't have a huge budget so something middle of the range price wise would be good. I want too upgrade to a 4gb ram if possible.im running windows 7 ultimate 64 bit and i herd its possible too put a 4gb stick or sticks of ram in it if your are running 64bit operating system
If someone could perhaps give me some good links on trade me or somewhere else that be great..below is a couple of images.
I
relise i need ddr2 ram but the part ive circled in red changes qite often so dnt know what mhz of ram i need.

