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A-Tech 16GB (4x4GB) RAM for Apple iMac (Mid 2010, Mid 2011, Late 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
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Upgrading another IMac Mid 2011 (21.5 Inch) tomorrow. Adding 32 GB RAM, 1TB SSD & Thermal Sensor. : r/mac
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