27-inch iMac with Retina 5K Display, 2017 (iMac 18,3) DDR4- 2400Mhz
Apple's latest 27-inch iMac with Retina 5K Display was released June 2017. The system maximum is 64GB by installing (4) 16GB Ram modules
27-inch iMac with Retina 5K Display, Late 2015-2016 (iMac17,1)
Apple's latest 27-inch iMac with Retina 5K Display was released in October 2015-2016.The system maximum is 64GB
|iMac Memory for Model 13.2 14.2 and 15.1|
iMac Late 2012, Late 2013, Late 2014, and Retina 5K
The 27" Late 2012 through Late 2014 iMacs, including the iMac 5K Retina Display, utilize DDR3-1600Mhz memory. The system maximum is 32GB (4X8GB)
|iMac Memory for Models 11.3 (with i5 and i7) 12.1 and 12.2|
iMac Mid 2010 and Mid 2011
The iMac 11,3 with i5 or i7 processor has a maximum of 32GB (4x8GB)
|iMac Memory Models 11.2 and 11.3 (with i3)|
iMac Mid 2010
The iMac Model 11,2 has a system maximum of 16GB (4x4GB.) The iMac 11,3 running the i3 processor also has a maximum memory of 16GB....
|iMac Memory for Model 11.1|
iMac Late 2009 (Core i5 and i7)
The DDR3-1067Mhz iMac Model ID 11,1 has four slots. Each slot can take a 8GB SO-DIMM for a maximum of 32GB...
|iMac Memory for Model 10.1|
iMac Late 2009 (Core 2 Duo)
The DDR3-1067Mhz iMac Model ID 10,1 has four slots. Each slot can take a 4GB SO-DIMM module for a maximum of 16GB.
|iMac Memory for Model 9.1|
iMac Early 2009 and Mid 2009
The DDR3-1067Mhz based iMac Intel has 2 slots with a memory maximum of 8GB.
|iMac Memory for Model 8.1|
iMac Early 2008
The iMac 8,1 utilizes DDR2-800Mhz memory and has a system maximum of 6GB memory with the installation of one 2GB module and one 4GB module.
|iMac Memory for Model 7.1|
iMac Mid 2007
The iMac Model 7,1 takes DDR-667Mhz RAM and has a system maximum of 6GB with the installation of one 2GB module and one 4GB.
|iMac Memory for Models 5.1 and 6.1|
iMac Late 2006
The iMac 5,1 and 6,1 can have a system maximum of 4GB of memory installed, but only 3GB will be fully addressed. Installing 4GB of...
|iMac Memory for Models 4.1 4.2 and 5.2|
iMac Early 2006, Mid 2006, and Late 2006CD
The iMac Model IDs 4,1 4,2 and 5,2 have a system maximum of 2GB of memory.
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