How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Memory Upgrades for Apple iMac 2011 Up to 32GB
Install memory in an iMac - Apple Support
Hi, i have a 2011 iMac with 16gb of ram and 1tb ssd, I'm wondering which Mac OS will work better on the iMac with a patcher, macOS Big Sur or Monterey?
Upgrade your iMac's RAM in less than 5 minutes - YouTube
Install memory in an iMac - Apple Support
Further Explained: Apple's iMac 2011 Model Hard Drive 'Restrictions'