Apple MacBook Pro 13-inch, Mid 2009 - 2.26GHz Core 2 Duo Memory RAM Upgrades - Low Cost Delivery & Guaranteed Compatible | Mr Memory®
OFFTEK 4GB Replacement Memory RAM Upgrade for Apple MacBook Pro 2.53GHz Intel Core 2 Duo (15-inch) (DDR3) (Mid-2009) (DDR3-8500) Laptop Memory at Amazon.com
How to upgrade MacBook Pro RAM (2009-2012) - YouTube
Upgrade RAM (8GB) on MacBook 13' Late 2009 and mid 2010 [Guide] - YouTube
Still using a 2009 MacBook Pro, should I upgrade to the new M2 macs? : r/ macbookpro