I have a 15 inch macbook pro (mid 2009 1.8ghz core 2 duo) and I want to upgrade the memory. It currently has 4gb (2x2gb) and the maximum Apples says will work is 8gb. I am wondering if I could get away with 16gb (2x8gb). I know this is possible on certain other macbooks, I am just wondering if it will work on my model.

  • According to everymac.com, Apple did not make a Macbook Pro in 2009 with a 1.8 GHz processor. – David Anderson Aug 7 '16 at 4:10

According EveryMac.com no Macbook Pro models build before 2010 had an actual maximum RAM of 16 GB. If your Macbook Pro is a 2009 year model, then your maximum actual RAM should be 8 GB.

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