MacBook Pro: How to remove or install memory - Apple Support
13-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
Kuesuny 8GB kit (2x4GB) Compatible for Apple DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini at Amazon.com
Install an SSD into the optical superdrive slot on a MacBook Pro | OSXDaily
iMac RAM for Model 13.2 to 15.1| DDR3-1600MHz | 8GBx2 | MacMemory.com
MacBook Pro Upgrade Guide
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
APPLE MacBook Pro 15" 2009 Core 2 Duo - 2,53 Ghz - 4 Go RAM - 128 Go SSD - Gris - Reconditionné - Très bon état - Cdiscount Informatique