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Swapping Apples Stock Memory with New Memory?

E

EnterTheSwamp

macrumors member
Original poster
Jun 29, 2010
65
0
I just bought the two 4GB sticks below:
http://www.newegg.com/Product/Produ...Deals-_-na-_-na&AID=10521304&PID=3160356&SID=

I was wondering if I should leave apples memory in its current slots and just put the new ones in the open slots, or should I remove the apples memory and place new memory in those slots?

The question is in regards to the slot location as I have read from several accounts that 12gb runs fine.
 
Replace. 8 GB is plenty and there are always potential issues with pairing different branded RAM.
 
Sigh

I'm running both the Apple memory and the NewEgg memory and has 12 gigs now. It's fantastic. I'm geekbenching over 10,000 now so I see no problems with it at all. Fast and plenty of room to run lots of big apps.
 
My question was in regards to the slots themselves and not an whether I should replace or add. I read somewhere that the bigger/faster ram should be placed in the slots where the apple ones are.
 
According to Apple the only options are: 2x2GB or 4x2GB or 2x4GB or 4x4GB which is the max so 12GB is not and option:
I spent a whole lot of money on this computer and do not want to mess it up so I removed the 2x2GB and replaced it with 2x4GB from crucial .. I find it is plenty for me for now and will look at the issue again in the future if needed.

I am pasting this from a thread I started and hope it helps:

Old Jul 30, 2010, 04:57 AM #13
vidc
macrumors newbie

Join Date: Jul 2010
Location: UK

the apple tech support is right .... but as in everything only partly right
A long answer might look something like this......

1) you can put single modules in - as per the apple support page link i posted - so that's official
2) a single module has to be put into the i5/i7 in specific positions, otherwise it won't work
3) a single module will not optimise the machine's capabilities, as well as two modules - but if the choice (say for cost reasons) is limited to either a single 4gb vs 2 x 2gb; i'd go for the former
4) the chip suggseted by the tech support - crucial in this case - will depend on a number of factors eg in the UK I'd have gone with crucial
 
So does anyone know if the bigger modules(4gb) have to go into the slots where the apple memory is at?
 
EnterTheSwamp said:
So does anyone know if the bigger modules(4gb) have to go into the slots where the apple memory is at?
Click to expand...

Have to? No. They don't have to. There may be a theoretical speed bump of a few percent in terms of memory access speed depending on the app if you put the modules in from largest to smallest, but honestly it probably makes very little little real-word difference.

Edit: and 12GB is supported. See this page, about 1/2 way down... http://eshop.macsales.com/Reviews/Framework.cfm?page=/Benchmarks/CS5BenchmarkPage-iMac.html
 
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