These chips also work for: Macbook Pro Unibody Late 2008, Early 2009, Mid 2009
They all support up tp 8GB of RAM (Unofficially)
4GB kit –> 8GB kit –>
Instructions for Macbook Unibody Late 2009 and 2010
While you’ve got the back off you might as well replace the battery –>
Also, replace the hard drive with a SSD –>