iMac 27" late 2015 - RAM

Discussion in 'iMac' started by thomasbp, Feb 23, 2017.

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  1. thomasbp macrumors newbie

    Joined:
    Feb 10, 2017
    #1
    Hi.

    Normally an iMac late 2015, use 1867 MT/s (PC3-14900) SODIMM 204-pin.
    Do someone know if it's possible to use.. 2133 MT/s (PC3-17066) SODIMM 204-pin (cheaper RAM) and then it downscale it to 1867 MT/s ?
     
  2. nambuccaheadsau macrumors 65816

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #2
    I would be very hesitant about using cheaper memory. AT OWC the difference in 8GB of the two different modules is about a dollar. You would not need to scale down faster memory as the slower speed is what it would run at. Great believer in always using the correct memory.
     
  3. ssdaytona macrumors member

    Joined:
    Apr 20, 2011
    #3
    I have used 2133mhz on mine and it works great. It does not down clock the frequency. It runs at 2133
     
  4. nambuccaheadsau macrumors 65816

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #4
    Despite what it may say, it will run at the capacity and electrical current of the Mac.
     

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