A-Tech 16GB (4 x 4GB) PC3-8500 DDR3 1066/1067 MHz RAM for iMac Late 2009 21.5-inch / 27-inch | 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
How to Upgrade the RAM in Your iMac | Envato Tuts+
Install memory in an iMac - Apple Support
Benefits from RAM upgrade to Late 2009 iMac | MacRumors Forums
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Is it worth upgrading my ram on a Late 2009 iMac? New iMacs/MacBooks are very pricey. It's currently running on 4GB of RAM & it has a 3.06GHz Intel Core Duo Processor. :
Install memory in an iMac - Apple Support
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Memory Upgrades for Apple iMac 2009 - Up to 32GB
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
16GB (4GBx4) Team High Performance Memory RAM Upgrade For iMac “Core 2 Duo” 3.06 21.5-Inch (Late 2009) MB950LL/A iMac 10,1 1. The Memory Kit comes with Life Time Warranty. at Amazon.com
Memory Upgrades for Apple iMac 2009 - Up to 32GB
DDR3 RAM for Late 2009 iMac | MacRumors Forums
Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB HDD Mac OS High Sierra MC508LL/A w/ Keyboard & Mouse - GRADE B
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Install memory in an iMac - Apple Support
DDR3 RAM for Late 2009 iMac | MacRumors Forums
ssd - What are my hardware upgrade options for a late 2009 iMac? - Ask Different
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
Memory Upgrades for Apple iMac 2009 - Up to 32GB
16GB Memory Upgrade Kit 2009 Apple Apple iMac
![8GB -2x4GB Memory Ram Upgrade for 27" Apple iMac 11.1 Core i5 2.66GHz Late 2009 | eBay](https://i.ebayimg.com/images/g/H1YAAOSwRTtbS4dV/s-l1200.webp "8GB -2x4GB Memory Ram Upgrade for 27" Apple iMac 11.1 Core i5 2.66GHz Late 2009 | eBay")