nMP RAM Question

Discussion in 'Mac Pro' started by isledge, Sep 6, 2015.

  1. isledge macrumors newbie

    Sep 6, 2015
    I'm going to be purchasing an 8-core nMP. I originally was going to purchase my memory upgrades from OWC. However, upon checking Newegg, I found some server RAM DIMMs with comparable specifications that were much less expensive. My question is this: would the following RAM modules

    Kingston 32GB 240-Pin DDR3 SDRAM ECC DDR3 1866 Memory Model KTH-PL318LQ/32G
    Capacity: 32GB, data rate: 1866MHz, CAS latency: 13, voltage: 1.5V, ECC: yes, type: load-reduced DIMM

    work with the nMP? I ask because I'm not sure if the 8-core Xeon (E5-1680 v2) can handle load-reduced DIMMs or if it requires registered DIMMs. As well, I'd like to have anywhere from 96 GB to 128GB and not pay almost double to get the same thing from OWC.

    If LRDIMMs are out of the question, would the following RAM modules

    NEMIX RAM 32GB DDR3-1066MHz PC3-8500 240-pin 1.5V 4Rx4 ECC Registered Server Memory Module
    Capacity: 32GB, data rate: 1066MHz, CAS latency: ?, voltage: 1.5V, ECC: yes, type: registered

    be a good substitute?
  2. mathpunk, Sep 6, 2015
    Last edited: Sep 6, 2015

    mathpunk macrumors regular


    Jan 31, 2015
    Here is the Apple Support document describing what memory can be used:


    I believe that you would use RDIMMs (registered) for 32GB sticks...

    (edit: corrected my response after rereading the question...)

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