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late 2012 27" Imac ram upgrade.

I

insane79

macrumors 6502
Original poster
Aug 20, 2008
276
1
Hi guys,
I just upgraded my ram in my late 2012 27" iMac to 16gb corsair vengeance ddr3 1600mhz. In the impatience & hurry i just removed the existing ram from their slots without paying attention which slots they were in, I put the new 8gb ram dims in slot 1 & 4 which are BANK 0/DIMM0 & BANK 1/DIMM0
Hope thats correct :confused: anyone know if its right?

Thanks..
 
insane79 said:
Hi guys,
I just upgraded my ram in my late 2012 27" iMac to 16gb corsair vengeance ddr3 1600mhz. In the impatience & hurry i just removed the existing ram from their slots without paying attention which slots they were in, I put the new 8gb ram dims in slot 1 & 4 which are BANK 0/DIMM0 & BANK 1/DIMM0
Hope thats correct :confused: anyone know if its right?

Thanks..
Click to expand...

does it matter which slots there in?i have mines in the two first slots in my 2013 and no issues
 
insane79 said:
Hi guys,
I just upgraded my ram in my late 2012 27" iMac to 16gb corsair vengeance ddr3 1600mhz. In the impatience & hurry i just removed the existing ram from their slots without paying attention which slots they were in, I put the new 8gb ram dims in slot 1 & 4 which are BANK 0/DIMM0 & BANK 1/DIMM0
Hope thats correct :confused: anyone know if its right?

Thanks..
Click to expand...

When you go into About this Mac, and then memory, do you see that the two 8 ram modules show up as across from one another on the top, or does it look staggered with the other two 4gb modules?
 
Nismo73 said:
When you go into About this Mac, and then memory, do you see that the two 8 ram modules show up as across from one another on the top, or does it look staggered with the other two 4gb modules?
Click to expand...
I have only installed the 2 8gb corsair modules & not the stock ram, they are across each other & have attached the pic. Is that correct?

Thanks..

 
Nismo73 said:
That's how I have it, but kept the two 4gb sticks for a total of 24gbs - the two 4gbs are on the bottom. I forget which slots they're in though.
Click to expand...

the 4gb are different CL compare to the corsair vengeance i got so didn't want any speed issues so just left them aside for a rainy day. So i got the slot right like how it was with the 8gb stock ram?

Thanks a Ton.
 
I also suggest that you leave your original sticks installed - You have 4 slots, might as well use them...
 
DeltaMac said:
I also suggest that you leave your original sticks installed - You have 4 slots, might as well use them...
Click to expand...

The 16gb corsair vengeance ram is CL10 compare to the stock ram that is CL11.
If i install the stock 8gb also will downgrade the ram speed to 1333mhz which i don't want.

Thanks..
 
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