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Dual Ram Kit in x58 Triple Channel Mobo ?

Last response: in Memory
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September 8, 2012 8:33:55 AM

I'm with Asus Rampage 3 Extreme (x58 Chipset+ 6 slots dimm)
I'm thinking of upgrade to 2 pairs of 8GB dual kit. Corsair Vengeance LP 4GB x 2 [CML8GX3M2A1333C9]
I'm just wondering whether it will run as dual or tri channel on my mobo?
Since I've read the QVL of Rampage 3 Extreme ( http://dlcdnet.asus.com/pub/ASUS/mb/LGA1366/Rampage_III_Extreme/Rampage-III-Extreme-QVL.zip ) which mentioned :

Quote:

6 DIMM Slots

• 2 DIMM: Supports two (2) modules inserted into slot A1 and B1 as one pair of Dual-channel memory configuration
• 3 DIMM: Supports three (3) modules inserted into the orange slots (A1, B1 and C1) as one set of Triple-channel memory configuration
• 4 DIMM: Supports four (4) modules inserted into the orange slots (A1, B1 and C1) and the black slot A2 as one set of Triple-channel memory configuration
• 6 DIMM: Supports six (6) modules inserted into both the orange slots and the black slots as two set of Triple-channel memory configuration.


Few days ago, I have removed 2 sticks from my 2 x Triple Kit ( Corsair XMS3 2GB x 3) due to one of them has failed, which means there are 4 sticks on the board now.
So they are now in DIMM B1,B2,C1,C2 .
CPU-Z shows that they are running in Dual Channel.

So I assumed that 2 x Dual Kit = Dual Channel as well ?

How about the one that mentioned in the QVL.
(A1,B1,C1) + (A2) = Triple Channel ?

So, which will be more stable and has a better performance?

Beside that, since [CML8GX3M2A1333C9] has discontinued.
I couldn't find any information about this model from Corsair Official Website.
Will this RAM compatible with my mobo?
September 8, 2012 8:54:38 AM

Should work in dual mode.
From a performance standpoint triple is the way to go.
!