Identify your MacBook Pro model - Apple Support
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
MacBook Pro - Wikipedia
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
MacBook 6,1 (13-Inch, Late 2009) - Full Information | iGotOffer
The MacOS Sierra Compatibility List | OSXDaily
MacBook Pro Model Numbers | iGotOffer
MacBook Pro | Core 2 Duo 3.06 GHz | 17 Inch | Mid 2009 - Techable.com
Mac OS Catalina Running on Mid 2009 MacBook - YouTube
Identify your MacBook Pro model - Apple Support
Apple MacBook Pro Mid 2009 Upgrades For Speed And Power Part 1 - YouTube
OS X reinstall - Apple Community
Identify your MacBook model - Apple Support
MacBook Pro 13-Inch "Core 2 Duo" 2.26 (SD/FW) Specs (Mid-2009 13", MB990LL/A, MacBookPro5,5, A1278, 2326*): EveryMac.com
Identify your MacBook Pro model - Apple Support
MacBook Pro mid-2009 ... please help me pimp it up!! | MacRumors Forums
Monterey on Mid 2009 MacBook 5,2. : r/BigSurPatcher
Identify your MacBook Pro model - Apple Support
MacBook Pro (mid 2009) in-depth impressions | Engadget
Macbook Pro (Mid-2009), Computers & Tech, Laptops & Notebooks on Carousell
Identify your MacBook Pro model - Apple Support (CA)
Apple MacBook Pro (Mid 2009) 15" Core 2 Duo 2.8GHz 8GB RAM 250GB HDD | eBay
