How to Upgrade RAM on MacBook Pro, iMac & More | AVG
Apple MacBook Pro 13 inch Laptop Mid 2009 2.53 Intel Core2Duo 8GB RAM 700gb Pics | eBay
Still using a 2009 MacBook Pro, should I upgrade to the new M2 macs? : r/ macbookpro
Apple MacBook Pro (13-inch, mid-2009) 2.26 GHz Intel, 250GB SSD, 8GB RAM -Works | eBay
MacBook Pro: How to remove or install memory - Apple Support
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
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
MacBook Pro: How to remove or install memory - Apple Support
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
13-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube