Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 Retina 5K, Mid 2015 Retina 5K) SODIMM Memory Module MAC RAM Upgrade at Amazon.com
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apple-history.com / iMac (Late 2009)
Install memory in an iMac - Apple Support
2009 2010 Apple Mac mini IMAC macbook pro memory RAM 8GB 2x4GB DDR3 1066 1067