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TWIN2X2048-6400PRO voltage?


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Hello all I am new here and to the Corsair family, so bear with me if I am asking a redundant question.


I recently built a new pc with the TWIN2X2048-6400PRO CL5, for the life of me I could not find the official voltage rating on these sticks; the retailer where I bought them from had a rating of 1.9v listed.


Do these particular sticks need and/or respond to more voltage? I am running them at the listed 5-5-5-12, 1:1 with 1.9v. I cannot seem to get an Orthos blend test stable for more than an hour with them at only 375MHz.


I know there are a lot more than just the ram that can affect an over clock but I am just looking to eliminate the possibility that I am not giving them enough voltage to run at their rated speed.


Added information on ram:





Thanks in advance,


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XMS Qualification and Testing

Twin2x2048-6400 Data Sheet


Maximum DDR2 recommended VDIMM: 2.1 Volts


Thanks for the links, I don't know if it matters but these are the sets I have:



It states that they are spd programed for 5-5-5-12 but my bios and cpu-z shows a spd chat of 5-5-5-18 at 400MHz; is this simply a bios issue and cpu-z is reading it from the bios?


If I am running these under 400MHz whould they perform better with tighter timmings?


Thanks again,


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