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DDR3 Low Voltage RAM question

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Perryg114

Senior member
I just ordered some ultra low voltage DDR3 RAM and I am wondering if that was a mistake. What happens if I run it at a higher voltage? This is what I ordered but the motherboard specs day 1.35V min and the memory says 1.25V. Is this a problem or not? Can I run this stuff at 1.35V without damage? I am looking at H67 based motherboards. Are there other motherboard chipsets that would be better? Is this purely a motherboard issue or a chipset issue?

http://www.newegg.com/Product/Produc...82E16820231461

Perry
 
I'm running a set of this myself. Unfortunately, my motherboard doesn't support less than 1.5v (even though it reads the XMP Profile as 1.25v). It runs fine, and I imagine it will allow for tighter timings (I just haven't gotten around the playing with it).
 
It will run fine. Probably most DDR3 was designed to run at 1.5v, due to it being the JEDEC specification. Any voltages that vary are usually due to manufacturer binning... though I've heard that JEDEC was adding a low voltage spec.
 
Well that is good to know. I guess the lower voltage would give you more room to overclock if you wanted to.

Perry
 
Perryg114 said:
I just ordered some ultra low voltage DDR3 RAM and I am wondering if that was a mistake. What happens if I run it at a higher voltage? This is what I ordered but the motherboard specs day 1.35V min and the memory says 1.25V. Is this a problem or not? Can I run this stuff at 1.35V without damage? I am looking at H67 based motherboards. Are there other motherboard chipsets that would be better? Is this purely a motherboard issue or a chipset issue?

http://www.newegg.com/Product/Produc...82E16820231461

Perry
Click to expand...

Since you really don't want to kill your ram by over-volting it, which can happen, really you should email the GSkill tech support and just ask them if they think it will be a problem to run that ram at 1.35V.

If they say its a problem then you'll know that you shouldn't be doing it. If they say it is fine at 1.35V then you'll have peace of mind.

I've always had great experience from memory companies (corsair, crucial, mushkin, and gskill) in terms of technical support.

If you do pursue it, don't forget to let us all know what the answer was.
 
These modules do work fine at 1.5V without issue as well without burning them our or any issues, Since that is the Jdec spec that is one of their default modes but you can make it go as low as possible down to 1.25V and still get them to work fine, I'm running 24GB of the stuff without an issue, by my IMC won't go over 1333 with that much ram so I have to use a divider.
 
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