OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
20-Inch iMac (Early 2009) Hard Drive Installation Video - YouTube
8GB -2x4GB Memory Ram Upgrade 20" Apple iMac 9.1 2.66GHz Core 2 Duo Early 2009 | eBay
Timetec Hynix IC 4GB DDR3 PC3-8500 1066MHz Mémoire Compatible pour Apple iMac 20 pouces/21.5 pouces/24 pouces/27 pouces, | Walmart Canada
iMac (2009) RAM & Storage Upgrades
iMac (2009) RAM & Storage Upgrades
5 Things to Know Before Upgrading Your 2009 or Later iMac
APPLE IMAC A1224 20" Core 2 Duo 2,66 GHz 2 Go RAM 320 Go disque dur El Capitan EUR 88,06 - PicClick FR