MacBook Pro 15" Unibody Mid 2009 Hard Drive Replacement - iFixit Repair Guide
13-inch MacBook Pro Mid 2009 Hard Drive/SSD Installation Video - YouTube
MacBook Pro mid-2009 ... please help me pimp it up!! | MacRumors Forums
Amazon.com: 1TB / 1000GB 2.5" SSD Solid State Drive for Apple MacBook Pro (17-inch, Mid 2009) (17-inch, Mid 2010) (15-inch, Mid 2010) (13-inch, Mid 2010) : Electronics
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