Memory Sizing -- oneBig or multipleSmall ?

Posted on 2014-08-30
Last Modified: 2014-09-08
Need to purchase a Windows 2012 Standard
fileserver for 100 users with LIGHT usage.

What is "32GB total configuration" is better ?
  Option #1 = two 16GB memory sticks
  Option #2 = four 8GB memory sticks
Question by:finance_teacher
    LVL 5

    Accepted Solution

    If the server hardware supports interleaving then the 4x8 configuration is preferred. it is also the more cost effective method.
    LVL 32

    Assisted Solution

    I'll second what SemperPhi said, but keep in mind that more x smaller could be more expensive in the long run if you plan to upgrade at some point - say you have 4 slots and go 4x8=32, then in a year or two you need to upgrade to 64GB, you would need to purchase 4x16, and if you had gone 2x16 now, the upgrade will only cost you 2x16.
    LVL 55

    Assisted Solution

    It depends on how many memory channels you have, if there are 4 available then 4x8GB would be a tiny bit faster, but if there are only two channels then it's probably identical since the 16GB may be dual rank and the 8GB single ranked for all we know.
    LVL 25

    Assisted Solution

    by:Tony Giangreco
    Normally servers have 4, 8 or 16 memory banks.  Interleaving with smaller memory chips may be faster, but if you get the latest speed memory chips, and a great set of processors and drives, you probably won't be able to tell the difference between different sized memory chip configurations.
    LVL 25

    Expert Comment

    by:Tony Giangreco
    Hi finance_teacher , have we answered your question?

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