Ram Specs - new 27" iMac

Discussion in 'iMac' started by zerae, Oct 15, 2015.

  1. zerae, Oct 15, 2015
    Last edited: Oct 15, 2015

    zerae macrumors newbie

    zerae

    Joined:
    Oct 15, 2015
    Location:
    New Brunswick, NJ
    #1
    What are they?

    I see the "1867 MHz DDR3 SDRAM" part. But what about the rest?

    This post had some information: http://forums.macrumors.com/threads/ram-question.1928280/

    But more specifically, I want to know what Apples sends you with a new machine, and what do I need to look for when trying to find compatible RAM? Which of things like registered/unbuffered, pin #, speed, CL, etc matter?

    Here are some of the suggestions for things to buy, and I've been using the listed specs to try and piece it together:

    1) http://eshop.macsales.com/item/Other World Computing/1867DDR3S32S/

    2) Crucial Ballistix Sport 16GB Kit (8GBx2) DDR3 1866 (PC3-14900) 204-Pin SODIMM Memory BLS2K8G3N18AES4 / BLS2C8G3N18AES4


    EDIT:

    Based on the pictures here, it looks like This is the RAM that Apple Ships.

    You can download the technical specs .pdf to get ~all of the information you could want.

    I'd still be curious to know more about compatibility.
     
  2. Nicklaus macrumors 6502

    Nicklaus

    Joined:
    Jun 19, 2010
    Location:
    Winter Park
    #2
    I found a review of the new iMac that linked to this from amazon as being the right ram for the new iMac. 1866MHZ ram I just ordered it. $88 for 16GB kit (8GBx2)
     
  3. BMWguy206 macrumors newbie

    Joined:
    Oct 12, 2015
    Location:
    Los Angeles, CA
    #3
    Thanks for the link!
     
  4. jcr918 macrumors regular

    Joined:
    Nov 8, 2012
  5. williamh macrumors regular

    Joined:
    Feb 24, 2006
    #5
    Via OWC
     
  6. jcr918 macrumors regular

    Joined:
    Nov 8, 2012
    #7
    I saw someone saying something about cheaper ram being found on amazon but they didn't post a link
    Yeah that's nuts ill have to wait on that. Anyone know of any cheaper options ? I saw someone posted something about saying they found something on Amazon but no link was posted
     
  7. Nicklaus macrumors 6502

    Nicklaus

    Joined:
    Jun 19, 2010
    Location:
    Winter Park
    #8
  8. gsingham macrumors 6502

    Joined:
    Oct 20, 2013
    #9
    What is the CL of those Rams? Can't believe Apple is charging a fortune for 32gb of cl13 ram
     
  9. DavidConrad macrumors newbie

    DavidConrad

    Joined:
    Sep 16, 2015
    Location:
    USA
    #10
    Can this be added to standard 8GB for 24 total? or does it replace it?
     
  10. Nicklaus macrumors 6502

    Nicklaus

    Joined:
    Jun 19, 2010
    Location:
    Winter Park
    #11
    Yes that is what I did.
     
  11. DavidConrad macrumors newbie

    DavidConrad

    Joined:
    Sep 16, 2015
    Location:
    USA
    #12
    yes you made it 24

    or

    yes you replaced it for 16 total
     
  12. Nicklaus macrumors 6502

    Nicklaus

    Joined:
    Jun 19, 2010
    Location:
    Winter Park
    #13
    Sorry added it for 24 total.
     
  13. DavidConrad macrumors newbie

    DavidConrad

    Joined:
    Sep 16, 2015
    Location:
    USA
    #14
    thanks! will do the same

    now gotta decide if 390 has any benefit over 380
     
  14. majestice macrumors member

    Joined:
    Oct 16, 2015
    #15
    While I'm waiting for my top specced new 5K (sans RAM) to replace sweet old 2011 I'd like to know if anyone has an opportunity test if 5K works with DDR3L 2133Mhz RAM? I'm eyeing on the Kingston HyperX with CL11 which should be quite an update compared to the Hynix 1866 CL13 it has. I could always get faster 1866 but before doing that I really wanna know if the motherboard will support 2133 or will it be rolled down to 1866 after powering the comp.
     

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