Memory Upgrade For Mac (27-inch, Mid 2011)
Apple iMac (21.5 and 27-inch, Mid 2011) iMac12,1/12,2 compatible upgrades These upgrades are guaranteed compatible when you order from Crucial.com memory. A-Tech For Apple 4GB Module PC3-10600 Mac mini iMac MacBook Pro Mid 2010 Late 2011 A1286 MD311LL/A A1297 MC511LL/A A1312 MC309LL/A A1311 MC812LL/A MC813LL/A MC814LL/A MC815LL/A A1347 Memory RAM by A-Tech Components. Which text editor for mac python.
The sometimes quote an amount less than the actual maximum. Upgrade excel for mac to 2016 chevy. Empirical observations (with the newer iMacs and MBPs), tells me that the true maximum is twice what Apple says. The 27' iMac can be extended to 32 GB, as mentioned in RAM: 4 GB, expandable to 16 GB (32 GB for 27' model) using four 1333 MHz DDR3 SDRAM also lets you up the RAM upto 32GB in a 27' iMac, so if it wasn't possible, they wouldn't be in business. Note that these values can change with the model of your iMac, which you haven't mentioned. 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.
Memory Upgrade For Mac
You can check out your specific iMac by finding it on this list, then checking out the RAM section: Also, here's a list of the unofficial max ram support for every Apple computer since the G3: 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. Also keep in mind that you have to match Apple's memory timing specifications for new memory very carefully.
Memory Upgrade For Mac Os X
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. That said, it does support twice as much memory as Apple states, and many people do find success adding more memory than apple recommends.