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1.65V Memory and sandy bridge

post #1 of 8
Thread Starter 
I currently have

http://www.newegg.com/Product/Produc...82E16820104203

and i'm running it at 1.6v @ 1600mhz

is that okay for sandy bridge?





i just downclocked it to 1.52v @ 1600mhz and im prime95/memory test to make sure
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post #2 of 8
It'll be fine.
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post #3 of 8
I only like to run 1.5v RAM with SB but 1.65v is the max allowable....
post #4 of 8
Intel says max is 1.575, you might have trouble. But hey 4gb kits are cheap.
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by railfan844 View Post
You have to keep your QPI/VTT voltage and your memory voltage within .05 of each other.

You might have problems.
what? i dont see options for those in my bios. lol

well i have them at 1.52v with v droop which is 1.504 right now. ran a quick memtest and passed o.O
Edited by renji1337 - 7/1/11 at 7:54am
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post #6 of 8
Haha ninja edit. See my new post, at first I was looking at the wrong info on my googling
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post #7 of 8
1.65V is fine for Sandy Bridge, many may tell you this is wrong but look at the info I posted here on the Crucial forums, it shows Intel's OWN XMP Certification memory kits for P67 and some are rated at 1.65V. With this in mind, it very well must be safe despite what other documentation may state because not very many kits even get this actual XMP certification

http://forums.crucial.com/t5/Ballist...-p/50922#M2260
    
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post #8 of 8
Awesome info that you posted. It's always nice to have more solidification to ease peoples' minds regarding this issue.

Also, I'd like to note that on one of Intel's own P67 motherboard, the manual (http://downloadmirror.intel.com/1948...01_English.pdf) states the following regarding this issue:

"Unbuffered, non-registered single- or double-sided DIMMs with a voltage rating of
1.65 V or less"

"Using a DIMM with a voltage rating higher than 1.65 V may damage the
processor"

So there you go. 1.65v or less, and you're good to go.

Hopefully this clears things up. If not, then simply undervolt the set of RAM that you have (while making the other appropriate changes), or buy a validated set of 1.5v RAM (paid ~$50 for 8GB 1600 Ripjaws X 1.5v not too long ago) -- never have to worry again!
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