That said, it does support twice as much memory as Apple states, and many people do find success adding more memory than apple recommends. 8GB Kit (2x4GB) PC3-10600 DDR3 1333 RAM Memory for Early / Late 2011 13 / 15 / 17 inch MacBook Pro, Mid 2010 and Mid / Late 2011 21.5 / 27 inch iMac, Mid 2011 Mac Mini 4.7 out of 5 stars 671 36.99 36. I found with my Macbook Pro that getting 'close enough' still resulted in an occasionally flaky system, and I had to not only get the correct memory speed, but the same timing for it to work. Note that Apple may update the EFI at any time and enforce it's stated maximum RAM, and of course Apple won't support going above the maximum RAM.Īlso keep in mind that you have to match Apple's memory timing specifications for new memory very carefully. You can check out your specific iMac by finding it on this list, then checking out the RAM section:Īlso, here's a list of the unofficial max ram support for every Apple computer since the G3:
All 2011 iMacs will support 32GB unofficially except for the late 2011 iMac 'Core i3' 3.1 21.5-Inch (MC978LL/A - iMac12,1 - A1311 - 2496) which appears to be capped by EFI at 8GB. Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book, Mac Book Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) SODIMM Memory MAC RAM Upgrade 4.
