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The Haswell based i7 4790k only supports a max of 32GB of RAM period. It has nothing to do with the Retina iMac itelf.
 
Well, how was that a surprise?

You could look the processor up from Intel. They only support 32GB as per the specifications.
 
For what applications do you need 32 GB ram? I use photoshop, lightroom, and many of the other Adobe software, but I rarely use over 10 GB... :eek:
 
For what applications do you need 32 GB ram? I use photoshop, lightroom, and many of the other Adobe software, but I rarely use over 10 GB... :eek:

Cubase for instance. Loading multiple instances of high quality multi-samples of symphonic instruments recorded at various velocities, dynamics and playing techniques can eat 32 GB for cake.
 
I must be missing something; I've used PS for the best part of twenty years as a design professional and I've never seen the need to have more than 16GB RAM.
Ok so a new question leading on from my original question; what do you want to do in PS that needs more than 32GB RAM?

See OP's 2 post history and join date of today. Thread should be shut down and user should be banned.
 
Oh no how ever will we survive!!! :eek:

Seriously, if you're one of the .0000000001% of people who need 64GB of RAM just get a Mac Pro.

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See OP's 2 post history and join date of today. Thread should be shut down and user should be banned.

:rolleyes:

Okay internet police.
 
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