Can you suggest a second ram stick for Lenovo G500?

[thesnipe]

Can you suggest a second ram stick for this new laptop?

http/www.newegg.com/Product/Product.aspx?Item=N82E16834312820

I am not to good with laptop hard ware so i'm asking the best!

Just looking for a 4g stick no more then 30$

 

[sweenytodd]

This is the cheapest I can find and it will work just fine. http/www.newegg.com/Product/Product.aspx?Item=N82E16820231481