16 Gb ram memory upgrade on late 2011 15" i7 @ 2,4 Ghz MacBook Pro

Discussion in 'MacBook Pro' started by mirko.vituzzo, May 7, 2015.

  1. mirko.vituzzo macrumors newbie

    May 7, 2015
    Hi everyone,
    I have to upgrade my late 2011 15" i7 @ 2,4 Ghz MacBook Pro from 4 Gb to 16 Gb ram.
    The site http://www.everymac.com/systems/app...4-15-late-2011-unibody-thunderbolt-specs.html reports its specs.
    So I need 2 sticks of 8 Gb 1333 MHz PC3-10600 DDR3 SDRAM, SODIMM with 204 pins.
    Now what I want to know is the supply voltage of the ram, 1,35 or 1,5?
    From what I know DDR3 ram voltage is 1,5 V whereas 1,35 V is for DDR3L,
    Crucial suggests 1,35 sticks ram
    Kingston suggest 1,5 sticks ram
    http://www.kingston.com/it/memory/search?DeviceType=3&Mfr=APP&Line=MacBook Pro&Model=74787
    which one should I buy?

    MacBook Pro, RAM upgrade
  2. snaky69 macrumors 603

    Mar 14, 2008
    Both'll work, get whichever's cheaper.
  3. JTToft macrumors 68040

    Apr 27, 2010
    Aarhus, Denmark
    Both will work. 1.35V RAM can also run at 1.5V, provided they conform to the industry standard.

    You don't specifically need 1333MHz, though. You can choose 1600MHz instead, if you want.

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