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Old Oct 29, 2012, 09:25 PM   #1
Dr FranknFurter
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Join Date: Mar 2012
Location: Cambridge UK
Memory Upgrade 27" Late 2012 iMac

Just a quick look online reveals the following available from Crucial

Part Number: CT3650255
Module Size: 16GB kit (8GBx2)
Package: 204-pin SODIMM
Feature: DDR3 PC3-12800
Specs: DDR3 PC3-12800 CL=11 Unbuffered NON-ECC DDR3-1600 1.35V 1024Meg x 64

For 61 in the UK (or 31 for 8GB)

Now the standard iMac will ship with 8GB (2 x 4GB) so 2 slots used.

Meaning you can order in multiples of 8GB this means either 16GB or 24GB or if you want to go to 32GB you will need to remove the 2 x 4GB.

3 questions;

1. How is performance effected with split size memory modules, ie 2 x 4GB and 2 x 8GB? (i've heard conflicting opinions)

2. would we be able to sell the memory removed on here to other users who may like the idea of some cheaper memory to upgrade to 4 x 4GB ie 16GB total for less than the 31 above and keep all 4 modules the same size

3. Is there any dissadvantage to using different manufacturers, i.e Apple OEM supplied memory with say Crucial memory. This may also be a good reason to action item 2 above.

Thanks all and can't wait to get my first iMac
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MacBook Air 2012 # Old iPad 3 # iPhone 5 # Apple TV3 # Time Capsule 2TB # 2 x Pods # and finally received my 2012 27" iMac
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