Help an idiot finish his build

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jonnyapps

jonnyapps

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May 12, 2013
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Hi,

I've just moved from an i7 920 build on a P6T to an FX8350 build on an ASUS 990FX Sabertooth 2.

I previously had 3 sticks of 1600mhz Corsair Vengeance in triple channel. If I'm honest I didn't understand anything beyond that I 'should' have it that way.

I'm now on a new dual channel mobo.
What I have to play with is the aforementioned 3 sticks of Vengeance (3x4gb, 1600mhz) as well as 2 sticks of 2GB G.Skill Ripjaw ram (1600mhz).

They're all rated the same; 9-9-9-24.

No matter what I put in to the machine the bios pre-selects 1333mhz.

My question is, out of everything I have what is the best selection? I admit I don't understand fully how it works. For example I don't know if I can put 2 of the Vengeance DIMMS in (4gbx2) on one channel and 2 G.skills (2gbx2) on the other channel at the other time.

Your help on what I should do for the best setup is most welcome. For clarity the build is based around an FX8350 and an R9 290X, purely for gaming.

Many thanks.
 
Solution
Tradesman1
If they'll all play together the best combo would be 2 of the Corsairs in slots 1-3 and the GSkill in 2-4 - that way you have 6GB in each channel and maintain dual channel - for 1600 will have to set freq , base timings manually, and prob need the DRAM voltage at 1.57 and the CPU/NB voltage at about 1.22
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lp231

lp231

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Mar 24, 2006
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It's a shame a good piece of ram is thrown to the side, just for the sake of dual channel. Between more ram or dual channel, I would rather have 12GB of ram than dual channel because IMO more ram the better.
Use the 3 stick at 12GB and see how it performs. If you can't spot any difference, then run it at 12GB in single channel. Then grab another 4GB to make it at 16GB and dual channel.
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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If they'll all play together the best combo would be 2 of the Corsairs in slots 1-3 and the GSkill in 2-4 - that way you have 6GB in each channel and maintain dual channel - for 1600 will have to set freq , base timings manually, and prob need the DRAM voltage at 1.57 and the CPU/NB voltage at about 1.22
 
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Solution
jonnyapps

jonnyapps

Honorable
May 12, 2013
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10,690


Thanks for this. Wouldn't that make 8gb in one channel and 4 in another?
 
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jonnyapps

jonnyapps

Honorable
May 12, 2013
111
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Ah, ok. I had always thought, due to the colour differences on the slots, that it was ABAB.

Thanks again. I have them in alternating slots and it showing as Dual Channel in CPU-Z.
 
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