Why is the 1600 mh corsair RAM cheaper? i dont understand

I am buying parts for my pc. The final thing is the RAM. Its a Corsair XMS3 PC3-12800 DDR3 1600 vs XMS3 PC3-10666 DDR3 1333. Both are CL9, both are 3x2GB packs . Both have the same looks and are the same series. 1600 one is 1.65v and the 1333 is 1.5 v. The thing is that the 1600 one is cheaper in most sites. I dont understand, the cheaper one is the faster? Its not only on the web i am buying, on the corsair site it links to online shops and in most cases the 1600 is cheaper. Is this normal? wich one should i buy?
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  1. Hi newcomer and welcome to the Tom's hardware forum.

    The price difference is in the voltage, 1.65V is more cheap to do that the 1.5V.

    What u should buy?, The 1600 is more cheap and is more faster so I would go with the 1600 RAM.
  2. But will it be worse quality? lower life span? more temperature (i know theorically yes, but anything important?)
    The performace of the 1600 will be better even with the voltage difference rigth?
  3. Yeah, the only difference in the voltage is that with the 1.65v and 1.5v is that with the 1st one ur OC possibilities are limited since with more that 1.65V ur CPU could be damage while with the 1.5v u can OC the RAM until 1600 or 2000 with 1.65V
  4. Thanks for your help!
  5. Any time, that's why we are here. If u need more help come back to the forum. :)
  6. I think the bigger question is why consider the CAS 9 1600 for that price when the CAS 7's are only $160

  7. because newegg isnt avaiable in Spain (Europe). We get the same prices but in euros. For some reason while 1 dollar = 0,82 euros, for pc components and electronics its 1 $ = 1euro and we dont have those cheaper than the rest shops, the cheaper avaible here is the average US price converted with 1$=1€
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