Apple iMac 27-inch Late 2009 - 2.8GHz Core i7 Apple RAM Memory | Kingston
Timetec Hynix IC 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz/1066MHz PC3-8500 SODIMM RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini (8GB KIT(2x4GB)) : Amazon.co.uk: Computers
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8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.06GHz Core2Duo Late 2009 | eBay
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
Install memory in an iMac - Apple Support
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