New system, memory question!

Ok, I am first going to post part numbers then get to the issue

Motherboard: EVGA P55 SLI 132-LF-E655-KR LGA1156 Intel P55 ATX
first bundle of Ram: CORSAIR XMS3 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model TW3X4G1333C9A G
second bundle of ram: Corsair XMS3 8 GB 1333 MHz PC3-10666 240-Pin DDR3 Memory Kit CMX8GX3M2A1333C9

Didn't really need to post the mobo, just wanted to show I have a VRM, so the issue I am worried about is one set of ram is 1.5 volt, the other is 1.65 volt. What voltage should I be running to my RAM, or will they even be able to work together? Lastly, should I run the highver voltage in the first or second paired slots? Does it matter?
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  1. Im not sure about the voltage, but why you getting 12Gbs of RAM in total, if it's for gaming then it's not going to help because 4Gb is plenty enough, or if it's for high rate of multy tasking then 8Gb is plenty enough for that is well.

    Also i would recommend this RAM:
    G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL7D-4GBRM
    This RAM has better CAS LATENCY (7) wich is alot better, and also has higher speed.

    If you want 8Gb then get this RAM twice and your are done.

    Hope this helps :P
  2. already had the 2x 2gb sticks for a few months, already ordered the 2x 4gb sticks, and wondering about voltages, found 129.99 with free shipping and no sales tax to be a good deal, my 4gb have been ok, just trying to improve a few things for when I go dual monitor soon. I posted newegg on here for specs but I hate paying sales tax from buying at newegg.
  3. Best answer
    umm, you shouldn't mix brands anyway..... but they will probably work together...

    Edit: I mixed some on my file server... works fine, thge voltages autoset...
  4. that is a good idea....
  5. Yup, probably more then enough
  6. Best answer selected by silvernova0.
  7. Happy gaming!
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