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P67 board and 2133MHz 1.65v memory

post #1 of 5
Thread Starter 
So I just got 8GB of Geil evo leggera. The memory is supposed to be run at 2133MHz with 1.65v.

I just put the new memory in, went to the bios screen and set it to 2133MHz (timing were all on auto, I've no idea what to start doing there's so many settings in that section of the bios) set the voltage manually to 1.65 volts. Everything else, CPU wise, is manual and I run at 4.5GHz

So anyway, I booted up and everything was perfect. But then I search for forums posts, and it seems it's only safe to run memory at 1.5 volts on my board/CPU?

Switched it down to 1600MHz 1.5 volts for now. I realize there probably isn't even any performance increase anyway (I've just come from 1.5v 1333MHz memory). But any advice would be greatly appreciated. Thanks.
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post #2 of 5
http://www.clunk.org.uk/forums/overclocking/39184-p67-sandy-bridge-overclocking-guide-beginners.html
Quote:
Sandy Bridge does not demand only 1.5v modules, it will be perfectly happy with 1.65v modules too. If someone tries to tell you that you must have 1.5v modules, then they are either trying to sell them to you, or they have been reading misinformation, or both! Another point to consider here, is that in your BIOS, if you head to the memory voltage setting, and enter 1.5v, the text will remain white/grey, if you enter 1.65v, it will turn yellow, and it isn't until 1.73v that it turns red, so at the moment, I'd rest assured that 1.65v modules are OK to use, and I have had this confirmed by Asus, Gigabyte and Corsair so far, as soon as I hear from anyone else, I will update this again.

Nope, 1.65v is fine. You might need to increase VCCIO voltage a little for running it at that high of a frequency though.
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post #3 of 5
1.65V is fine for socket 1155 boards & cpus, although for most things 1600Mhz to 2133Mhz doesn't make a very noticeable performance difference. The difference is there but just isn't very visible outside of benchmarks, most gamers don't notice it.
Doesn't hurt to leave it at 1600Mhz for 24/7, & if you ever want to benchmark the option is there to clock it up.
    
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post #4 of 5
Don't be afeared of all that " oh 1.65v RAMs will hurt my system" stuff..I ran some TEAM ddr3 2000 @
2133 1.73v for 5 mos straight..bottom line..Don't sweat the RAM voltage.
 
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post #5 of 5
Thread Starter 
Wow, thanks a lot guys. That's very reassuring. I have since been reading quite a lot of threads here, and I think I may understand a little more about this now.

Also, what about timings? My stock timings appear to be 11-11-11-36-2. That's not good?
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