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    1333 MHZ ram into Y460?

    Discussion in 'Lenovo' started by turned2black, Nov 15, 2010.

  1. turned2black

    turned2black Notebook Consultant

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  2. trieudoahong

    trieudoahong Notebook Consultant

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    you can't put a desktop ram to your laptop.
     
  3. jaakobi

    jaakobi Notebook Evangelist

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    I think it would work but the RAM would operate at the lower frequency. However, you have selected desktop RAM and not laptop RAM. I believe you're looking for 204 pin DDR3.
     
  4. AlbuquerqueFX

    AlbuquerqueFX Notebook Consultant

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    Ignoring the obvious failure in getting the physically correct memory devices for a laptop, your answer is yes -- you can install 1333Mhz ram into your Y460.
     
  5. turned2black

    turned2black Notebook Consultant

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  6. Jayayess1190

    Jayayess1190 Waiting on Intel Cannonlake

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  7. jessea510

    jessea510 Notebook Consultant

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    Im trying not to hijack the thread but lets say you currently have ram with CL 7 timming, would ram with CL 9 still work? What is the difference?

    Thanks
    -Jesse
     
  8. MidnightSun

    MidnightSun Emodicon

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    Yes, it would still work, with a small performance hit (which would be pretty much unnoticeable, since RAM speed is never the bottleneck). In essence, when RAM sticks of different specifications are mixed, all the sticks of RAM run at the speed of the slowest stick (which in this case would be the stick with a cas latency of 9).
     
  9. erik

    erik modifier

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    keep in mind that clock address strobe timing is a function of frequency, so when a 1333MHz module downclocks to match either the memory bus speed or a slower module, CAS timings are also clocked to match.   mixing a 1067 module at 777-20 CAS with a 1333 module at 999-24 CAS would put everything at 1067MHz with 777-20 CAS.

    as an example, i have two 4GB 1333MHz 999-24 modules in my X200T and they downclock to 1067MHz @ 777-20 CAS due to the memory bus only being 1067MHz.   everything correctly reports the modules at CL7 even though they were originally CL9.   mixing a 4GB 1333 CL9 and 2GB 1067 CL7 module results in the same as mentioned above (both modules at 1067 CL7).
     
  10. woodenspoon

    woodenspoon Notebook Enthusiast

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    Faster ram will theoretically downclock.
    But ram compatibility is no garranty... using non spec ram is a gamble. Sometimes systems are just finicky and will reject different types of ram.