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lsquare

macrumors 6502
Original poster
Jul 30, 2010
434
1
I can get Crucial DDR3L PC3-12800/1600 for a pretty good price. This particular model of RAM worked on the 2014 version of the 27" Retina iMac so I'm kind of hoping to avoid having to pick up more expensive DDR3 1867mhz memory.
 

Blatzman

macrumors newbie
Jul 15, 2011
5
2
I put 32gb of pc3-12800 in my late 2015 and it worked fine. I did remove the 8gb that came with it so I didn't have mixed speeds.
 
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iemcj

macrumors 6502
Oct 31, 2015
466
156
It's not going to make a noticeable difference in anything. Might make working with a giant 4k video file take an extra quarter second here and there but ram speed has been shown to make very little difference the past few years.
 
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