How to Install macOS Sonoma on Unsupported Macs, for Security Improvements - The Mac Security Blog
Apple MacBook Summer 2009 (Core 2 Duo 2.13GHz review: Apple MacBook Summer 2009 (Core 2 Duo 2.13GHz - CNET
What would be the best SSD upgrade for the MacBook Pro 2010? - Quora
MacBook Pro mid-2009 ... please help me pimp it up!! | MacRumors Forums
Replace your 2009-2012 MacBook Pro HD with an SSD
OWC Solid State Drives For MacBook 13" (Late 2009 - Mid 2010)
What SSD should I get for a MacBookPro 5,3 (Mid 2009 model)? | MacRumors Forums
MacBook Pro 15" Unibody Mid 2009 Hard Drive Replacement - iFixit Repair Guide
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
How to Upgrade MacBook Pro Hard Drive (Unibody, 2009-2012): EveryMac.com
MacBook (2006–2012) - Wikipedia
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 5.5 Mid 2009 13.3" A1278, Core 2 Duo, 240GB SSD, 8GB RAM | eBay