1.65v for 2133mhz too high?

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GhostPyro

GhostPyro

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Apr 7, 2014
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i have the corsair vengeance pro 1866mhz at 1.5v. i want to overclock it to 2133 but i blue screen everytime with 1.5v. should i set the voltage to 1.65 or is that too high?
 
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burnhamjs

burnhamjs

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Jan 19, 2017
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1.65 should be fine. You may also need to relax your timings from 9-9-9-24 to 9-10-9-27.
 
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1LiquidPC

1LiquidPC

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Oct 11, 2014
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Being Z97 shouldn't matter. Most performance RAM in DDR3 is 1.65, but newer processes and better screened modules could be 1.6 or 1.5 at certain higher speeds. Either way, 1.65 is a safe voltage. You can try 1.6 to see what happens. My own GSkill kit is 2133Mhz 32GB 9-11-10-28 2T at 1.65v.
 
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GhostPyro

GhostPyro

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my ram came with 1.5 v and 1866mhz as stock, thats why im kinda scared going past 1.6 and i heard many things about how it damages the cpu and the ram sockets due to high voltage.
 
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1LiquidPC

1LiquidPC

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Oct 11, 2014
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It *could* lower the lifespan of the modules, but likely you would upgrade to another setup long before that would happen. Corsair is also extremely helpful with RMA. You could ask over on their forums if 1.6-1.65 is safe for you. It's likely that the same memory ICs on your sticks are used on other kits in the model lineup and are able to run at higher frequencies on faster modules with more voltage. Also, the memory controller inside the CPU has it's own voltage separate from the RAM voltage. The RAM sockets themselves will be fine as well.
 
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