Memory voltage question

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Ravenwingsts

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May 26, 2015
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I am looking to build a system and when comparing memory modules I see similar specs (size, MHZ, CAS) but differing voltage (1.5 and 1.65) Does the stated voltage make a difference to the likelihood of overclocking results?
 
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Onus
Yes, it does. The Intel IMC is able to take up to 1.65V, but is under considerably more stress than it would be at 1.5V. If you get 1.5V (or lower) RAM, you've got a little room to add voltage to improve overclocking stability. If the RAM already needs 1.65V to run at its rated specs, chances are it is actually 1.5V DDR3-1333 that has been factory overclocked (e.g. to DDR3-1866) using that higher voltage.
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Onus

Onus

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Jan 27, 2006
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Yes, it does. The Intel IMC is able to take up to 1.65V, but is under considerably more stress than it would be at 1.5V. If you get 1.5V (or lower) RAM, you've got a little room to add voltage to improve overclocking stability. If the RAM already needs 1.65V to run at its rated specs, chances are it is actually 1.5V DDR3-1333 that has been factory overclocked (e.g. to DDR3-1866) using that higher voltage.
 
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