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
5 Things to Know Before Upgrading Your 2009 or Later iMac
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
Can you upgrade the RAM in the 27-inch iMac? | iMore
8GB -2x4GB Memory Ram Upgrade 20" Apple iMac 9.1 2.66GHz Core 2 Duo Early 2009 | eBay
How I kept my iMac running for a decade | Cult of Mac