Apple iMac 20-inch Mid 2009 - 2.0GHz Core 2 Duo Apple RAM Memory | Kingston
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
Imac 20 Inch for sale | eBay
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Install memory in an iMac - Apple Support (IN)
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core 2 Duo 2.8 17" Mid-2009 - A35 at Amazon.com
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
iMac (2009) RAM & Storage Upgrades
iMac 20-inch (Mid-2009) Core 2 Duo 2.26GHz - HDD 320 GB - 4GB | Back Market
NEMIX RAM 4GB (1X4GB) DDR3 1066MHZ PC3-8500 MacBook Pro (Late 2006 - Late 2008) Pre-unibody iMac (Early & Mid 2009) iMac (Late 2009) MacBook Pro (Late 2008 - 2010) Compatible Memory at Amazon.com
iMac 20-inch (Mid-2009) Core 2 Duo 2GHz - HDD 160 GB - 4GB | Back Market
How to Upgrade the iMac 20-inch (Early 2009)
Install memory in an iMac - Apple Support (SG)
how to upgrade iMac early 2009 SSD and RAM - full class - YouTube
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
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