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Memory for i5 3570K/3770k- voltages?

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  • Memory
  • Intel i5
Last response: in Memory
August 23, 2012 10:22:18 AM

Im planning to build another computer. Processor im thinking of using is either 3570k or the 3770k. The motherboard that will be used in the ASUS P8Z77-V Pro.
For the memory modules, ive decided to go for Corsair and 8GB(2x4GB)maybe increasing to 16GB in the future.

What im just confused about is there are memory modules that are 1.65v and 1.5v or ever 1.35v.
Ive read somewhere that the 1.5v is the best for the i5 and i7 (and i3) nowadays but...
Will there be really damage made if i get the 1.65v or the 1.35v modules?

Another thing, if the 1.5v is best for the i3,5,7 now; what is the 1.65v best for and the 1.35?

Thanks in advanced

http://www.ebuyer.com/274036-corsair-8gb-ddr3-1600mhz-v...
http://www.ebuyer.com/278225-corsair-8gb-ddr3-1600mhz-l...
http://www.ebuyer.com/247677-corsair-8gb-ddr3-1600mhz-x...

More about : memory 3570k 3770k voltages

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a b } Memory
August 23, 2012 10:39:14 AM

wrenaudrey said:
Im planning to build another computer. Processor im thinking of using is either 3570k or the 3770k. The motherboard that will be used in the ASUS P8Z77-V Pro.
For the memory modules, ive decided to go for Corsair and 8GB(2x4GB)maybe increasing to 16GB in the future.

What im just confused about is there are memory modules that are 1.65v and 1.5v or ever 1.35v.
Ive read somewhere that the 1.5v is the best for the i5 and i7 (and i3) nowadays but...
Will there be really damage made if i get the 1.65v or the 1.35v modules?

Another thing, if the 1.5v is best for the i3,5,7 now; what is the 1.65v best for and the 1.35?

Thanks in advanced

http://www.ebuyer.com/274036-corsair-8gb-ddr3-1600mhz-v...
http://www.ebuyer.com/278225-corsair-8gb-ddr3-1600mhz-l...
http://www.ebuyer.com/247677-corsair-8gb-ddr3-1600mhz-x...


1.5v ram was meant for sandybridge,
1.6 and higher were for core 2 duos and 1st gen core processors,
and finally 1.35v and 1.25v(DDR3L) are for ivybridge

DONT USE 1.6 or higher ram for ivybridge and sandy bridge


Since you are buying 3770k buy 1.35/1.25/1.5v memory :) 

all the best for your new build! :D 

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August 23, 2012 10:42:16 AM

Is there a performance or temperature difference with having 1.35v over 1.5v or what disadvantages?
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a b } Memory
August 23, 2012 10:50:21 AM

wrenaudrey said:
Is there a performance or temperature difference with having 1.35v over 1.5v or what disadvantages?

The performance depends on the clock speeds (eg.1333,1600,1866mhz)

There will be a temp. decrease with 1.35/1.25v but it wont make a difference at stock speeds. if you are OCing then there may be a difference
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August 23, 2012 11:55:38 AM

Ill be buying/using 1600Mhz.
Whats the difference in OCing- with 1.35v,125v,1.5?
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a b } Memory
August 23, 2012 12:13:58 PM

wrenaudrey said:
Ill be buying/using 1600Mhz.
Whats the difference in OCing- with 1.35v,125v,1.5?

mostly, heat output which will help in the longevity of your module.
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a b } Memory
August 23, 2012 12:14:59 PM

^^
I suggest not to OC buy buy pre-oc kits.

ram does not have large heatsinks like gpus and cpu's
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August 23, 2012 12:16:34 PM

timarp000 said:
1.5v ram was meant for sandybridge,
1.6 and higher were for core 2 duos and 1st gen core processors,
and finally 1.35v and 1.25v(DDR3L) are for ivybridge

DONT USE 1.6 or higher ram for ivybridge and sandy bridge


Since you are buying 3770k buy 1.35/1.25/1.5v memory :) 

all the best for your new build! :D 


Oh hell, i just realized the G.skill Ripjaws i literally just installed are 1.65v and i have the 3770K.


The strange thing is on the Ripjaws it says "Ultimate dual channel memory configuration for 3rd generation Intel processors and Z77 platform"

Isn't that a little misleading ?, The modules are also on the sniper 3 compatibility list of tested ram. If anything you would think the 3770K - Sniper 3 and this memory were perfectly matched.

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a b } Memory
August 23, 2012 12:23:07 PM

spacejunk said:
Oh hell, i just realized the G.skill Ripjaws i literally just installed are 1.65v and i have the 3770K.


The strange thing is on the Ripjaws it says "Ultimate dual channel memory configuration for 3rd generation Intel processors and Z77 platform"

Isn't that a little misleading ?, The modules are also on the sniper 3 compatibility list of tested ram. If anything you would think the 3770K - Sniper 3 and this memory were perfectly matched.

It would work, that wont be a problem,

but 1.5v and lower modules are recommended for ivy bridge.
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August 23, 2012 12:35:19 PM

Oh, i see. Hopefully this voltage issue won't stop me from managing a decent O/C.


Thanks for the info Tim.
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August 23, 2012 1:50:12 PM

Thanks timarp000 for your help.
And spacejunk, i hope it doesnt fail on you.
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August 23, 2012 1:50:25 PM

Best answer selected by wrenaudrey.
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