Mac Pro 1.1 RAM buy cheaper or more expensive

Discussion in 'Mac Pro' started by chipandegg, Jun 5, 2019.

  1. chipandegg macrumors regular


    Oct 3, 2007
    I've had a Mac Pro 1.1 for years, its still going strong and there are no problems - I want to max the out thew RAM to 32GB

    At the moment it has 10GB. The last time I bought RAM for it was about 9 years through Crucial, I checked them again and they don't seem to stock RAM for the this model of Mac Pro anymore - they do provide SSDs
    (but that's a question for another tread).

    I came across two other vendors!ddr2-pc2-6400-800mhz-240-pin-apple-mac-pro

    The above company provide RAM in two configurations (both come in pairs)
    2GB - 667MHz - £29.99
    4GB - 800MHz - £28.50

    The RAM currently inside the Mac Pro 677MHz, as far as I've read the 800MHz is compatible? If I was going to buy from it would have to be the 4GB pairs to max the RAM.

    The other supplier, supplies OWC RAM

    A 4GB pair here is £74.79 - per pair. Maxing RAM this way would be a lot more expensive, but I imagine its the way to go?

    Which one should I go for?
  2. tsialex macrumors 601


    Jun 13, 2016
  3. Neodym macrumors 68000


    Jul 5, 2002
    800MHz should be compatible, if the rest of the specs matches. They would just be running at standard 667MHz. Just don't go slower.

    Regarding maxing out: I seem to remember that there has been a long thread (or perhaps multiple ones) that discussed the Pro's & Con's of doing that. Quintessence was (iirc) that you would have to suffer from a speed loss (either from maxing out itself or from not considering the dual channel configs - can't remember anymore), but that that could be negligible if your workflow benefits from having more Ram.

    Search the forum and take a read.
  4. tsialex macrumors 601


    Jun 13, 2016
    Slow down is caused by maxed out RAM config and a PCIe SSD. With 8X4GB you are nowhere near the optimum 56GB or the maximum 64GB.

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3 June 5, 2019