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Thread: RAM Questions

  1. #1
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    Default RAM Questions

    I have 16GB DDR3 1600 MHz CL9 RAM (8GBx2) in my computer. The motherboard is MSI Z97 PC Mate that supports up to 32GB. My CPU is i5 4590. I built this dude in 2016 and its still going great. I do very CPU/RAM intensive work and I need to upgrade my RAM from 16GB to 32 GB.

    My only issue is that I find it almost impossible to find a CL9 DDR3 RAM. I can find CL11 easy but I just cannot find two 8gb sticks of CL9 DDR3 RAM that is 1600MHz. I can also find CL9 DDR3 1333 MHz, just not 1600 MHz. My understanding is that I cannot mix CL9 with CL11 otherwise I won't be able enable XMP and all 4 modules will run at 1333 MHz.

    Here are my questions:

    1. Should I buy a pair of 8GB DDR3 1600 MHz CL11 sticks and mix them with the other two that are CL9? Will I still be able to run them all at 1600MHz with XMP?

    2. Should I buy a pair of 8GB DDR3 CL9 1333 MHz and run all 4 sticks at 1333 MHz?

    What is the best of the two options? I understand that 32 GB at a bit slower speed will always be better than 16 GB at a bit faster speed but I would appreciate some guidance from the gurus here.

    Thanks,

  2. #2
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    Default

    CL is just latency, you really don't want to drop the main speed; anyhow 11 cycles at 1600MHz is almost the same time as 9 cycles at 1333MHz (to within 2%)
    Last edited by ashiekh; 01-10-2020 at 12:21 PM.

  3. The Following User Says Thank You to ashiekh For This Useful Post:

    jPatricka (01-11-2020)

  4. #3
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    jPatricka (01-11-2020)

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    Default

    thanks ashiekh!!

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