Question Does increasing RAM voltage help reducing the cas latency?

Feb 1, 2020
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I wanted to reduce my ram cas latency, i tried to decrease the cas by 1 more and it wasn't successful so, i am thinking of overvoltage my ram in order to do that so, what do you say?
Is increasing the voltage helping decreasing the cas latency or for cas the voltage doesn't matter at all?

Thanks!
 
I have G.Skill RipjawsX 4GB DDR3 1600MHz at 7 8 7 cas
if i increase the voltage do you think that i will be able to drop those values to 6 7 6 cas?

Does voltage matters at cas latencies?