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Is it true that SB mobo's work better with memory thats rated at 1.5V ?

post #1 of 13
Thread Starter 
I was looking newegg to build a new pc and it seems the most popular ram is
G.SKILL Ripjaws Series 4GB (2 x 2GB) rated at 1.5V ?

I was going to get the CORSAIR XMS3 4GB (2 x 2GB) rated 1.65V.

But I thought read up and ask questions first before buying.

When I had 1366 with triple chan ram I was using CORSAIR XMS3 with my i7-950 core. My question is when I OC'ed my i7-950 core I noticed that my ram speed went higher when I OC'ed my cpu. Now does this also happen with SB OCing ?

thanks
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SSF
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post #2 of 13
With sandy bridge the memory clock is independent from the turbo multiplier. An increase in clocks by dialing up the turbo multi will not affect the memory speeds.

As for voltage, the memory controller is 32nm so less voltage is obviously preferred. However, that doesn't mean you can't run your DIMMs at 1.65v.
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post #3 of 13
sandy bridge does not care about vdimm el gappo is running some D9's at 2.some volts
post #4 of 13
no... you could run 1.65v rated dims just fine... i have since release day on my chips.. works just as good and no sign of degradation on the mem controller (what ever that would entail)


Quote:
Originally Posted by redhat_ownage View Post
sandy bridge does not care about vdimm el gappo is running some D9's at 2.some volts
WOW...
Edited by badatgames18 - 5/7/11 at 12:09pm
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post #5 of 13
Quote:
Originally Posted by redhat_ownage View Post
sandy bridge does not care about vdimm el gappo is running some D9's at 2.some volts
That voltage is going through the memory controller on his CPU.

It doesn't like it, I assure you.
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post #6 of 13
Quote:
Originally Posted by justarealguy View Post
That voltage is going through the memory controller on his CPU.

It doesn't like it, I assure you.
Dont think so.
Ran 1.9v through some sticks on my SB and it didn't mind at all.

Just because the IMC is on the SB chips doesn't mean they care about the vdimm
post #7 of 13
Quote:
Originally Posted by justarealguy View Post
That voltage is going through the memory controller on his CPU.
did he really just try tell me something ive known since 2003?
post #8 of 13
Quote:
Originally Posted by redhat_ownage View Post
did he really just try tell me something ive known since 2003?
I do believe that is the case.
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post #9 of 13
Quote:
Originally Posted by kow_ciller View Post
Dont think so.
Ran 1.9v through some sticks on my SB and it didn't mind at all.

Just because the IMC is on the SB chips doesn't mean they care about the vdimm
Just because you don't care doesn't mean they don't. Intel states that 1.5v is the recommended with a tolerance of 5%

Quote:
Originally Posted by redhat_ownage View Post
did he really just try tell me something ive known since 2003?
You knew that intel chips had IMC's since 2003?

Quote:
Originally Posted by wumpus View Post
I do believe that is the case.
I don't.
Bye Bye 775
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post #10 of 13
Yes you can run them. 1.65V on SB is fine.
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