Still using a 2009 MacBook Pro, should I upgrade to the new M2 macs? : r/ macbookpro
Timetec Hynix IC 8GB Compatible for Apple DDR3 PC3-8500 1067MHz /1066MHz SODIMM Memory Upgrade for MacBook 13 Mid 2010, MacBook Pro 13 Mid 2010, iMac 27Late 2009, Mac Mini Mid 2010 (8GB) - Walmart.com
Grade B MacBook Pro 13" A1278 2009 2.53Ghz 1TB HDD 4GB RAM MB991LL/A | eBay
MacBook Pro 5,5 (Unibody 13-inch, Mid 2009) 2.26 | 2.53GHz
MacBook Pro: How to remove or install memory - Apple Support
MacBook Pro: How to remove or install memory - Apple Support
Apple MacBook Pro 13″ Intel Core 2 Duo (Mid 2009) | Dynemac
How to Upgrade RAM in a 2009 / 2010 MacBook Pro - Memory Replacement - MacBook Tutorial - YouTube
2009 Macbook Pro 13" A1278 RAM Upgrade - YouTube
A-Tech for Apple 6GB Kit (1x2GB + 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC