A-Tech 4GB PC3-8500 DDR3 1066/1067 MHz RAM for MacBook, MacBook Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) | 204-Pin SODIMM Memory Upgrade Module at Amazon.com
Install memory in an iMac - Apple Support
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
iMac | 3.06 GHz Core 2 Duo | 21.5 Inch | Late 2009 - Techable.com
OWC Performance Upgrades for iMac 2010
OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac Models at Amazon.com
Timetec Hynix IC 32GB KIT(4x8GB) Compatible for Apple Late 2009 iMac 27inch DDR3 PC3-8500 1067MHz/1066MHz CL7 204 Pin 1.5V Dual Rank 2R8 Memory Module RAM Upgrade for iMac 11,1 (32GB KIT(4x8GB)) Laptop
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book, Mac Book Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) SODIMM Memory MAC RAM Upgrade
A-Tech 16GB Kit (2x8GB) DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM for Apple MacBook (13 inch, Mid 2010), MacBook Pro (13 inch, Mid 2010), iMac (27 inch, Late 2009), Mac Mini (Mid 2010) at Amazon.com
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Amazon.com: Valley Of The Sun Genuine 8X DL SuperDrive Optical Drive for Apple iMac Late 2009 21.5 Inch Core 2 Duo 3.06 A1311 MB950LL/A MB950 Desktop PC, Super Multi DVD+-R/RW DL DVD-RAM
16GB 2 x 8GB SODIMM Memory RAM for APPLE iMac Late 2009 PC3-8500 A1311 MB950LL/A | eBay
Install memory in an iMac - Apple Support
Apple 21.5" iMac A1311 Late 2009 Core-2-Duo 3.06gHz Nvidia 9400 Onboar – Dealm4kers
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Benefits from RAM upgrade to Late 2009 iMac | MacRumors Forums
Apple iMac 21.5" AIO High Sierra 3.06GHz Intel Core2 Duo 8GB Ram 500GB Late 2009 | eBay