I have a 5.1 MacBook Pro (5.1 Model Late 2008) with 4GB of Ram. All the apple documentation I can find that the maximum supported for this model is 8GB of RAM (2 x 4GB). Has anyone tried to put bigger DIMMs into one to see if they would work? Given the price of RAM at the moment I would go for 2 x 8GB if I knew it would work.

  • I'm seriously wondering why you need so much RAM? Most programs don't even use/support that amout of RAM. – Michiel Dec 21 '11 at 8:18
  • @Michiel - you obviously don't use a lot of VMs/heavily multitask. I have 8 GB in my MBP, and regularly get down to ~400 MB free. – Fake Name Dec 21 '11 at 8:58
  • Ok, I stand corrected. Didn't now you were using VMs :) It's worth the investment in this case :) – Michiel Dec 21 '11 at 9:10
  • @Michiel: I'm a developer running with a Linux VM and several database platforms. 4GB is entry level to me. – My Other Me Dec 21 '11 at 9:39
  • @MyOtherMe, forget what I said. You need as much RAM as you can get! – Michiel Dec 21 '11 at 9:49

Your Macbook Pro supports only 8GB (15'') or 6GB (17'') of RAM.

Apple states that it's 4GB, but OWC continuously check the max. supported RAM.

See this list here.

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  • For anyone interested I went with 8GB or regular Kingston Ram running at 1333. Worked fine despite the original spec saying it needs 1066 – My Other Me May 23 '12 at 9:44
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    I have mine in the exact some setup... be sure you zap the PRAM after you install them. – unom Dec 12 '12 at 21:06

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