OWC 2GB PC8500 DDR3 1066MHz SO-DIMM Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, Late 2009 MacBook, 2009/2010 Mac Mini, & 2009 iMac at Amazon.com
Review Apple MacBook White 5.2 Mid 2009 - NotebookCheck.net Reviews
macOS Big Sur 11.2.3 on a late 2009 MacBook : r/mac
Apple MacBook 13" A1342 2.26GHz Intel Core 2 Duo 4GB RAM 120GB SSD Late 2009 | eBay