i got 2 1gb ddr2 800(dual channel) and i wanted at least 1 more gb of ram so would i be able to buy just 1 stick or would i need to buy another dual channel set
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231170
or
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231098
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231170
or
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231098