OFFTEK 2GB Replacement Memory RAM Upgrade for Apple iMac 2.5GHz Intel Quad-Core i5 - (21.5-Inch) (DDR3 - Mid 2011) (DDR3-10600) Desktop Memory at Amazon.com
How to Upgrade Memory in a 21.5-inch or 27-inch iMac (Mid 2010) - YouTube
Install memory in an iMac - Apple Support
How (And Why) To Install More RAM In Your iMac
Upgrade your iMac's RAM in less than 5 minutes - YouTube
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?
Apple iMac 21.5" Core i5 2.5 Ghz, 16GB RAM 500GB, MC309LL Mid 2011 Grade A | eBay