It's old as heck but still kicking! Mid 2009 MacBook Pro (MacBook Pro 5,5) I'm hoping to use opencore legacy patcher to install Monterey on it. : r/ macbookpro
Apple MacBook Pro 2009 (2.66GHz, 17-inch) - Video - CNET
MacBook Pro | Core 2 Duo 3.06 GHz | 15 Inch | Mid 2009 - Techable.com