Are These Rams Compatible for 12GB?

jorda13456

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Feb 22, 2012
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So I have 4 ram cards,,,

First Two:
G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000) Desktop Memory Model F3-2133C10D-8GXM
Total: 8GB Of Ram

Second Two:
G.SKILL Ripjaws X Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL9D-4GBXL
Total: 4GB of Ram

Please read the names carefully and tell me if I insert them into my motherboard will it grant me 12gb of ram? According to pcpartpicker there were no issues but idk.

Thanks in advance !
 

Legohouse

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May 13, 2013
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Well, firstly what is the motherboard model and the CPU?

There will be no issues whatsoever, but that's just a theory. Usually, mixing memory esp. advanced timed memory can cause issues. That's the sole reason why I personally do not recommend mixing memory even if it is the same part number memory, as the IC's can be a lil old compared to the other kit.

Since, you have the memory you can give it a shot. When you mix higher speed memory with lower speed (i.e, 2133MHz with 1333MHz) the higher will default to the lower speed. So this will limit the memory speed of the 2133MHz memory maybe you can enable XMP profile but still it might run at the same speed (1333MHz). So it is not a guarantee but might work, also you may have manually set the timings and stuff in your BIOS to make it work. The bright side is you won't harm you PC by trying this so give it a try... and drop us an update on how things work out.

Cheers, mate!!
 

jorda13456

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Thanks a lot for the descriptive reply, I'm going to give it a try tomorrow. I will update this thread just to keep new users aware that it will work encase someone has a similar interest of a question.
 

Legohouse

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:welcome:
Looking forward to the update!!
 

Tradesman1

Legenda in Aeternum
Can try, if they do it will be at 1333 and will prob be sporadic, may take additional voltage to the MC and the DRAM itself, in long run will be much better off with the 2133 set by itself (8GB) rather than adding the other others, will be very slow
 

jorda13456

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Update:
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the 4 + 8 but im not sure if 8 alone is better , i need to try it alone