How to Install macOS Ventura or Monterey on Unsupported Macs, for Security Improvements - The Mac Security Blog
Apple MacBook Pro Summer 2009 review: Apple MacBook Pro Summer 2009 - CNET
What are the differences between the "Late 2009" Mac mini "Core 2 Duo" configurations? What are the differences between these Mac mini models and the models replaced?: EveryMac.com
Mac Pro | 2009 | Eight Core 2.93 GHz - Techable.com
Apple Obsoletes Select Early 2008 to Late 2009 Macs - MacRumors
2009 White MacBook can still run the latest macOS! : r/mac