A-Tech 16GB Kit (2x8GB) DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM for Apple MacBook (13 inch, Mid 2010), MacBook Pro (13 inch, Mid 2010), iMac (27 inch, Late 2009), Mac Mini (Mid 2010) at Amazon.com
MacBook Pro: How to remove or install memory - Apple Support
Notebook Apple Macbook Air 13 " A1304 2009 2 Duo RAM 2GB SSD 120GB Keyboard Ita | eBay
Still using a 2009 MacBook Pro, should I upgrade to the new M2 macs? : r/ macbookpro
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
USED APPLE MacBook Air 2009 (A1304) 13" Intel 2.13 GHz Core 2 Duo 2GB RAM 128SSD | eBay
A-Tech for Apple 6GB Kit (1x2GB + 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com