Intel B85 VS 1.65V Memory

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ctmaszek

Honorable
Oct 19, 2013
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10,510
Hi,
I just bough some components:

KHX1600C9D3B1/4G
GA-B85M-D3H

and i can not find any information what is the "still safe" voltage for the motherboard to make the memory work at 1600MHz @ CL9.

there is an XMP profile that will set the things on at 1.65V.

But i heard rumors from my mates. "You gona blow the memory controller"

Could i get an advise for this?

Thank you
 
Solution
J
You won't blow the memory controller (unless it was defective in the first place). The standard JEDEC spec for DDR3 is 1.5v and is required to withstand a swing of 10% either way. This is why DDR3L is 1.35v (1.5v - 10%) and some of the less efficient (or harder pushed) DDR3 is 1.65v (1.5v +10%). 1.65v is the top of the range, but all memory controllers and motherboard DRAM voltage controllers are expected to work without issues at that voltage.
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JohnPMyers

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Apr 7, 2010
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You won't blow the memory controller (unless it was defective in the first place). The standard JEDEC spec for DDR3 is 1.5v and is required to withstand a swing of 10% either way. This is why DDR3L is 1.35v (1.5v - 10%) and some of the less efficient (or harder pushed) DDR3 is 1.65v (1.5v +10%). 1.65v is the top of the range, but all memory controllers and motherboard DRAM voltage controllers are expected to work without issues at that voltage.
 
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