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Ram Questions, not in FAQ

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May 28, 2010 2:06:26 AM

Thinking of adding more RAM to my system, the current set up i have is 3x(1)GB of ddr3 1333 mhz corsair. timing is 9-9-9-24
Do i have to have the same type to add more or can i add a different brand? and if i stick with corsair, does it have to be 1333 mhz with the same timings or can it be 1600 mhz?

thanks for the help, cant seem to find this anywhere

More about : ram questions faq

a c 163 } Memory
May 28, 2010 3:36:12 AM

Hi.

U can add different brand, but is recommendable that add the same brand and specifications for avoid problems.

Now, u can add the 1600 to the existing 1333, but like the mobo can't run RAM at different speed, the 1600 will run at the same speed that the other one that's 1333.
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a b } Memory
May 28, 2010 6:58:21 AM

When ever I think about adding new memory the most crital aspect is to match voltage with timings: (ddr3 1333mhz 7-7-7-20 @ 1.5v)
versus (ddr3 1333mhz 7-7-7-20 @ 1.65v)
For me this isn't a good match, the only way to maintain the 7-7-7-20 timings is to increase voltage manualy to 1.65v to both sets. The ram requiring less voltage is of superior quality. There can also be variations between brands or even within the same brand so you need to look at the spd settings or on the manufacturers web page for the exact specifications.
For maximun stabiltiy unless your an expert in settings it's always safer with identical chips but when it's not possible match speed/timings/voltage.
I wouldn't hesitate to buy 1600mhz chips if they match the timings and voltage when they're ran at 1333.
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May 29, 2010 4:50:20 PM

Best answer selected by andyman30.
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