parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
4Gb 1X4Gb Ram Compatible with Apple Imac Intel Core 2 Duo 20" 2009 By CMS (A34) - Computer Memory Solutions
Memory Upgrades for Apple iMac 2011 Up to 32GB
A-Tech for Apple 2GB DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM Module for MacBook, MacBook Pro, iMac, Mac Mini - (Late 2008, Early 2009, Mid 2009, Late 2009, Mid 2010) Models at Amazon.com
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2009 - Up to 32GB
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Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) at Amazon.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
2009 2010 Apple Mac mini IMAC macbook pro memory RAM 8GB 2x4GB DDR3 1066 1067 - AliExpress
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
How to UPGRADE Ram on iMac (2009-2011) - YouTube
8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.06GHz Core2Duo Late 2009 | eBay
8GB Kit (2 x 4GB) PC3-8500 RAM for Apple iMac Mid 2009 - 20 Inch MC015LL/
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4GB Memory Upgrade DDR3 PC3-8500 Ram SODIMM for Mac DIY Parts replacement Memories
16GB 2X 8GB SODIMM For Apple iMac Late 2009 PC3-8500 A1311 MB950LL/A Memory Ram | eBay
OWC 8566DDR3S8GP 8.0GB - 2 x 4GB -PC-8500 DDR3 RAM Kit for iMac 2009 & MacBook/Pro Unibody 2008-10 & Mac mini 2009-10
Install memory in an iMac - Apple Support
16GB 2 x 8GB SODIMM Memory RAM for APPLE iMac Late 2009 PC3-8500 A1311 MB950LL/A | eBay