MacBook Pro: How to remove or install memory - Apple Support
Apple MacBook Pro 13 inch (Mid 2009) - Intel Core2 Duo
2009 Macbook Pro 15" A1286 RAM Upgrade - YouTube
Apple Macbook Pro Mid-2009 15" 2.5GHz Core 2 Duo *No HDD/RAM* – MSU Surplus Store
OFFTEK 4GB Memoria RAM de Repuesto para Apple MacBook Pro 2.9GHz Intel Core i7 - (13-Inch) (DDR3) (Mid-2012) (DDR3-12800) Memoria para portátil : Amazon.es: Informática