Overclocking RAM to 1.65V

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downloadingram

Commendable
Dec 7, 2016
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1,510
Hey guys!

I am currently using:
Corsair CMZ8GX3M2A1600C9 Vengeance 8GB DDR3 1600Mhz CL9 9-9-9-24 1.5V

A colleague of mine gave me his old:
Corsair CMX8GX3M2A1600C9 XMS3 8GB DDR3 1600Mhz CL9 9-9-9-24 1.65V


Now I want to upgrade my system to 16GB RAM.
Is it safe to overclock the CMZ8GX3M2A1600C9 to 1.65V and set the same 1600Mhz 9-9-9-24 setting as the CMX8GX3M2A1600C9?

I'm basically asking because I've never visited the BIOS settings for RAM before and wanted to ask someone more experienced about it.

I know that the "worst case" would be 16GB RAM with this setting, but the 1.65V RAM getting limited. However, overclocking the other RAM to 1.65V should work, right?

Any opinion is appreciated - have a great day!
 
Solution
Tradesman1
Can give it a try, will prob need them at 1.65 which I don't like, 1.65 for basic 1600 DRAM is ridiculous and indicative of the manufacturer uses cheap low end Memory ICs, which can be prone to failure, and if they do, can take out the other DRAM and even the mobo
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Jamie_Lannister

Jamie_Lannister

Reputable
Dec 9, 2015
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Just leave it like this. Putting this Corsair Vengeance ram on 1.65v wont change anything it would only eat more power (unless you want to overclock it but its no go since the other one is already at 1.65v and cannot be further overclocked because i dont think going over 1.65 is a good idea safety wise)

I would actually try to sell the 1.65v one and get another ram stick but the same as you already have then you can propably put them both on 1.65 and get 2100mhz CL11 (just a wild guess but i think its possible) I think thats the best idea
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
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126,960
Can give it a try, will prob need them at 1.65 which I don't like, 1.65 for basic 1600 DRAM is ridiculous and indicative of the manufacturer uses cheap low end Memory ICs, which can be prone to failure, and if they do, can take out the other DRAM and even the mobo
 
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Solution
Karadjgne

Karadjgne

Titan
Ambassador
Dec 26, 2012
30,739
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Best bet if you want 16Gb, bite the bullet and purchase 16Gb. Apart from the voltage discrepancy possibly causing issues, there's also a respectable chance that the two sticks simply won't work together, or will possibly need further voltage and timing adjustments to actually get them to play nice. Or they may work just fine. But at already 1.65v, there's little if any room for error correction.
 
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