Sorry, still confused about 2800(oc) memory.

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xlr8head

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May 29, 2013
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10,510
hi.
I realise that there have been some threads along similar lines, but for the life of me, I still don't get it.
I bought a Gigabyte GA-Z77MX-D3H TH motherboard which states memory compatibility of 2800(oc), 1600, 1333/1066 MHz.
I have also bought 16G(2x8) PC3-12800 1600MHz memory.
EDIT also, proc is i7-3770, not "k" version.
So, upto 1600MHz ddr3 is supported by the mb without any overclocking, I get that.
But what would I have to do to get to 2800?.
2800MHz wouldn't need overclocking.
But, I don't think 1600MHz memory can be overclocked to 2800 either.
So, is there a middle ground MHz that will work, say 2100MHz memory (if it exists)?
Or am I missing the point altogether?

Thanks in advance.
Tom
 
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Deleted member 217926

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There is DDR3 1600, 1866, 2133, and 2400. The motherboard does not really matter in this case as the memory controller is on the CPU. With Ivy Bridge that controller supports DDR3 1600. Anything faster overclocks not the motherboard but the memory controller on the CPU. There is about a 1-2% gain from using RAM faster than DDR3 1600 when doing video encoding/rendering. There is no gain at all in gaming. You are fine with what you have.
 
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xlr8head

Honorable
May 29, 2013
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10,510


Thanks.
So, what's the point of the the mobo supporting 2800(oc) memory?
Is it just marketing BS?
 
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Deleted member 217926

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If you want DDR3 1866 you should buy it. Overclocking RAM usually creates more problems than it solves especially with Sandy and Ivy Bridge. You should not use RAM over 1.5v with them or you can damage the processor. Overclocking the RAM requires more voltage. Native DDR3 1866 is 1.5v by default where as overclocking DDR3 1600 may need a dangerous amount of voltage.

Really high speed stuff may be justified if you are a professional video or photo editor or processor. Then the very small gains may pa for themselves over time.

Really Sandy Bridge has support for DDR3 1333 native and does best with DDR3 1600. Ivy has native DDR3 1600 support and does best with DDR3 1866. The gains are very small though and in no way noticeable in everyday use.
 
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