Install memory in an iMac - Apple Support
4GB (2X2GB) Memory Ram Compatible with Apple iMac Early 2009 LAT 2009 Core 2 Duo DDR3 1067 MHz RAM by CMS A47 at Amazon.com
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
How I kept my iMac running for a decade | Cult of Mac
Late 2009, 27 inch iMac can use 32 GB of 1333 MHz RAM, beyond what Apple says - YouTube
iMac Intel 21,5" Late 2011 (EDU) EMC 2496 - realrecyclers
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
iMac Intel 20" EMC 2266 (Early 2009) Memory Maxxer RAM Upgrade Kit - iFixit
Amazon.com: New 16GB 4x4GB Apple iMac (21.5 and 27-inch, Late 2009): Computers & Accessories
iMac (2007-2009) Memory Installation Video - YouTube
iMac Intel 27" EMC 2374 (Late 2009) Memory Maxxer RAM Upgrade Kit - iFixit
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
iMac 27-Inch "Core 2 Duo" 3.06 (Late 2009) Specs (Late 2009, MB952LL/A, iMac10,1, A1312, 2309): EveryMac.com
Catalina 10.15.3 running decent on my mid 2009 iMac. Gonna max out the RAM to 8GB. 🤗 : CatalinaPatcher
iMac | 3.06 GHz Core 2 Duo | 21.5 Inch | Late 2009 - Techable.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Memory RAM 1x 8GB Apple - iMac 11.1 Late 2009 DDR3 1333MHz SO-DIMM | ESUS IT
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Apple iMac "Core i5" 2.66 27-Inch (Late 2009) Quad Core - Imagine41
How to Upgrade the RAM in Your iMac
