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    2666 R2 or 3200 R1 RAM for Naples/Rome EPYC ?

    AMD makes it very clear that single rank memory is better for memory bandwidth constrained application, such as CFD work. The only way one can achieve a memory speed of 2666 MHz is with single rank memory. It makes sense that single rank memory will be faster because dual rank memory will need...
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    2666 R2 or 3200 R1 RAM for Naples/Rome EPYC ?

    I hadn't. Thanks for the links. I see that. yes, especially because the 3200 MHz memory is single rank.
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    2666 R2 or 3200 R1 RAM for Naples/Rome EPYC ?

    Hi. I'm building a 32 core EPYC server for number crunching. The algorithm is highly parallel and memory bandwidth constrained. I'll be starting with a 7601, but will probably upgrade to a 7002 processor when the used prices fall a bit. The motherboard will allow me to overclock the memory...