Catalina 10.15.3 running decent on my mid 2009 iMac. Gonna max out the RAM to 8GB. 🤗 : r/CatalinaPatcher
16GB RAM on an iMac 24" (early 2009)? - Apple Community
Late 2009 iMac Ram/Vram Please Help - Apple Community
Apple iMac 3.0Ghz Core 2 Duo 21.5-Inch (Late-2009) *No HDD/RAM* – MSU Surplus Store
Review: Apple's 27" big screen iMac (late 2009) | AppleInsider
how to upgrade iMac early 2009 SSD and RAM - full class - YouTube
Review: Apple's 27" big screen iMac (late 2009) | AppleInsider
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Install memory in an iMac - Apple Support
Apple iMac 21.5-Inch "Core i5" 2.8 GHz (Late 2015) 500GB SSD 16GB RAM MONTEREY – ASA College: Florida
Apple iMac A1311 21.5" Desktop - MB950LL/A (October, 2009) for sale online | eBay
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2011 Up to 32GB
iMac | 3.06 GHz Core 2 Duo | 24 Inch | Early 2009 - Techable.com
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
iMac (27-inch, 2.8GHz Intel Core i7, Late 2009) | iGotOffer
Amazon.com: A-Tech Components: Mid 2011 iMac
Amazon.com: OWC 2.0TB HDD Upgrade Kit Compatible With 2009-2010 iMacs, Includes: Thermal Sensor, Tools, 2.0TB Hard Drive : Electronics
