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Help mixing ram different voltage a problem?

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June 13, 2013 5:56:40 PM


Hi im buying 8gb of 2x4gb sticks of corsair vengeance ddr3 1600 ram which uses 1.5v but my MOBO comes with a 8gb stick of crucial ddr3 1600 1.35v can i use these 3 ram sticks together?

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a c 174 } Memory
June 13, 2013 6:16:41 PM

Hello:hello: 

Mixing brands is okay and the memory should work but probably it is not the ideal option. Mixing ram voltages is also not a good choice but in most cases it should work depends on motherboard. You will have to either undervolt the 1.5v to 1.35v or overvolt the 1.35v to 1.5v. You can do that in the BIOS. or Maybe you can get a 1.35v memory instead.

Following are some of the Corsair 1600MHz 1.35v kits which you might want to take a look at -
http://www.amazon.com/Corsair-Vengeance-Desktop-Memory-...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Good luck with the upgrade. Let me know if you need any more info. Cheers!! :cheese: 
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a c 1941 } Memory
June 13, 2013 6:18:35 PM

First, anytime you mix sets of DRAM it can be problematic, even if the sets are the same identical model. That said with these can try, may get stuck in single channel, woulld go with set in slots 1-3 and the odd soldier in slot 2, with DRAM voltage at 1.5, if no joy drop to 1333 and 1.45
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a c 174 } Memory
June 13, 2013 6:45:59 PM

Matt Muller said:
ok, now is there a difference in performance between the ram you picked and the this ram(the set of vengeance i was going to buy)?
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

No there is no difference in performance. The memory which you mentioned and the two memory which I have mentioned all are of the same speed, latency and size except the voltage.
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June 13, 2013 7:04:55 PM

Legohouse said:
Matt Muller said:
ok, now is there a difference in performance between the ram you picked and the this ram(the set of vengeance i was going to buy)?
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

No there is no difference in performance. The memory which you mentioned and the two memory which I have mentioned all are of the same speed, latency and size except the voltage.

ok thanks! xD


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a c 1941 } Memory
June 13, 2013 7:12:29 PM

If any problems give a shout, will prob be the different ICs need additional voltage or the tRFC is off
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June 13, 2013 7:14:24 PM

Tradesman1 said:
If any problems give a shout, will prob be the different ICs need additional voltage or the tRFC is off


ok, do you think it will work? lol
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a c 1941 } Memory
June 13, 2013 7:45:03 PM

My initial comment about 'Any time you mix set...can be problematic) is simply true and happens all to often, many people who have mixed sets with success go back to DDR, DDR2 and early DDR3 sets that were at 1066/1333, these days 1600 is sort of a toss up and the higher you go the more problematic things become, I'm an Admin ofn Gskill's forum and deal with these issue every day, here though many will tell you there's no problem as long as the timings, voltage and freq are the same, they don't take into account, the multitudes of ICs (memory chips if you will) that are used these days, or the different advanced timings, etc. Packaged set are tested so that all the sticks work together, if it was as easy as many want you to believe, DRAM manufacturesr would simply sell nothing but single sticks, charge more and make more - but they can't do that, if they did their RMA rates would soar, as it is, with GSkill about 80% of the sticks that are RMAed are perfectly fine, not a single thing wrong with them....the reason they didn't work is someone wanted 4 sticks and saw 2 2stick packages was $10 less than a 4 stick package and they ended up with sets that didn't want to play together
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