how to upgrade iMac early 2009 SSD and RAM - full class - YouTube
Early-2009 iMac 24" for only $35! : r/mac
Install memory in an iMac - Apple Support
Catalina 10.15.3 running decent on my mid 2009 iMac. Gonna max out the RAM to 8GB. 🤗 : r/CatalinaPatcher
Apple A1225 24-inch iMac Core 2 Duo 2.4 GHz 2 GB RAM 320 GB HDD Early 2009 | RecycledGoods.com
Apple Imac 20" Early 2009 A1224 Intel Core 2 2.66ghz 4gb Ram High Sierra & More | eBay
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
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
iMac Early 2009 (20-inch and 24-inch) RAM Upgrade Dallas – Apple Mac Computer Repair Dallas , Laptop ,Desktop ,iMac ,MacBook iPhone iPad Data Recovery ,Virus
8GB -2x4GB Memory Ram Upgrade For 20" Apple iMac 9.1 2.25GHz Core2Duo Mid 2009 | eBay
Apple iMac 20-inch (Early 2009), 8 GB RAM, 500 GB HD, & El Capitan macOS 10.11 | eBay
iMac (2009) RAM & Storage Upgrades
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
A-Tech 4GB PC3-8500 DDR3 1066/1067 MHz RAM for MacBook, MacBook Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) | 204-Pin SODIMM Memory Upgrade Module at Amazon.com
NEMIX RAM 4GB (1X4GB) DDR3 1066MHZ PC3-8500 MacBook Pro (Late 2006 - Late 2008) Pre-unibody iMac (Early & Mid 2009) iMac (Late 2009) MacBook Pro (Late 2008 - 2010) Compatible Memory at Amazon.com