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Both Dual and Tri Channel Memory

post #1 of 4
Thread Starter 
Hey guys, I have a bit of a different question that I haven't been able to find with searching. I currently have (3x2GB) of tri-channel memory on my board and I want to get some more. Now, I could get another (3x2GB) of RAM, but for the same price I could get (2x4GB). Will this work on my board simultaenously with the 3x2GB of RAM? I'm not concerned about losing the tri-channel performance of the original 6GB of RAM, I just want to know if it will function and recognize all 14GB.
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post #2 of 4
I think that will be single channel if you do that. You cant run dual and triple at the same time.

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post #3 of 4
Thread Starter 
Hmm Okay, I'll just buy another set of 3X2GB sticks then. The benefit for 14 vs 12 GB is going to be basically nonexistent anyway. Thanks for the advice.
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post #4 of 4
Quote:
Originally Posted by andrewmchugh View Post

I think that will be single channel if you do that. You cant run dual and triple at the same time.

Incorrect.

There is physically no way to run fewer channels than are populated. The channels are not directly connected, and cannot be pooled into a single channel.

Arranged optimally, 3x2GiB and 2x4GiB will be triple channel for the first 12Gib of memory addresses, and single channel for the sole remaining 2GiB stick.

It would be setup something like this (ordered from closest to furthest from the CPU):

DDR3_02 = 2GiB DIMM
DDR3_01 = 4GiB DIMM

DDR3_04 = 2GiB DIMM
DDR3_03 = 2GiB DIMM

DDR3_06 = empty
DDR3_05 = 4GiB DIMM
Edited by Blameless - 8/26/12 at 1:45pm
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