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Which ram would be best for me?

I have an Intel I5-4690k and a MSI Z97M gaming mobo.
The Cpu says it wants ram to run under 1.55V but I have been told 1.65V would work on it.
The mobo works with 1600mhz unless overclocked (I think it is a dual channel mobo).

Which ram should I use?

http://www.scan.co.uk/products/16gb-(2x8gb)-corsair-ddr3-vengeance-pro-series-red-pc3-14900-(1866)-non-ecc-unbuffered-cas-9-10-9-27

This is 2x8GB 1866MHZ Cas 9-10-9-27


http://www.scan.co.uk/products/16gb-(2x8gb)-corsair-ddr3-vengeance-pro-series-red-pc3-19200-(2400)-non-ecc-unbuffered-cas-11-13-13-

This is 2x8GB 2400MHZ Cas 11-13-13-31


http://www.scan.co.uk/products/16gb-(4x4gb)-corsair-ddr3-vengeance-racing-red-pc3-17066-(2133)-non-ecc-unbuffered-cas-11-11-11-27-x

This is 4x4GB 2133MHZ Cas 11-11-11-27

Thank you in advance :)
4 answers Last reply Best Answer
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  1. Those links don't work, but I would get the cheapest set of those first two. Memory speed has no real world difference on performance.

    Edit. You can use the XMP memory profile from bios to enable optimal settings for the ram.
  2. Samat said:
    Those links don't work, but I would get the cheapest set of those first two. Memory speed has no real world difference on performance.

    Edit. You can use the XMP memory profile from bios to enable optimal settings for the ram.


    Yeah you would have to copy and paste but all three are the same price. The customer support team said the 2400Mhz will not work with my cpu due to its 1.65 Voltage and recommended me the first one for its lower CAS.

    Which would you choose?
  3. Strike7100 said:
    Samat said:
    Those links don't work, but I would get the cheapest set of those first two. Memory speed has no real world difference on performance.

    Edit. You can use the XMP memory profile from bios to enable optimal settings for the ram.


    Yeah you would have to copy and paste but all three are the same price. The customer support team said the 2400Mhz will not work with my cpu due to its 1.65 Voltage and recommended me the first one for its lower CAS.

    Which would you choose?


    Just go with the one that runs with 1.5V voltage, safer if that is recommended. You won't notice any difference in performance anyway.
  4. Best answer
    The 4690K can handle 1.65 just fine, Intel even provides listings of DRAM certified for Haswell and basically all 2133 and up is 1.65.

    Might look at my article here:

    http://www.tomshardware.com/reviews/ddr-dram-myths,4155.html

    item 13
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