Apple MacBook Pro 13-inch Mid 2009 - 2.53GHz Core 2 Duo Laptop RAM Memory | Kingston
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book, Mac Book Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) SODIMM Memory MAC RAM Upgrade
How to Upgrade RAM in a 2009 / 2010 MacBook Pro - Memory Replacement - MacBook Tutorial - YouTube
13-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
MacBook Pro 13" A1278 Mid 2009 2.26Ghz 500GB HDD 6GB RAM OS X El Capitan | eBay
Apple MacBook Pro 5.5 Mid 2009 13.3" A1278, Core 2 Duo, 240GB SSD, 8GB RAM | eBay
MacBook Pro 13" (mid 2009) with Catalina? | MacRumors Forums