PC Galore | iMac 27" Core 2 Duo 3.33Ghz 8GB Ram 1TB HDD (Late 2009)
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 2 x 8GB SODIMM Memory RAM for APPLE iMac Late 2009 PC3-8500 A1311 MB950LL/A | eBay
memory - What can be replaced/upgraded in a late-2009 iMac to make it run like a 2014-2016 iMac? - Ask Different
PC Galore | iMac 21.5" i3 @ 3.06 GHz 4GB RAM 500 GB HDD 1920 x 1080 (Late 2009)
Instalar una memoria en una iMac - Soporte técnico de Apple
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
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
DDR3 RAM for Late 2009 iMac | MacRumors Forums
iMac Intel 27" Sustitución RAM EMC 2309 y 2374 - Guía de reparación iFixit
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
Apple iMac 21.5-inch, Late 2009 - 3.06GHz Core 2 Duo Memory RAM Upgrades - Low Cost Delivery & Guaranteed Compatible | Mr Memory®