> After another check on Apple's website, it appears that the maximum ram I can have is only 3GB.

According to Mactracker, there were three 4,1 MBPs: 15" Early 2008, 17" Early 2008, and 17" Late 2008, and all three can be maxed out at 6GB RAM despite the fact that Apple's spec is listed at 4GB.

I can't put my finger on it, but there's been discussion here about how the evolution of RAM has enabled many Macs to run with more than their original specs called for, but without confirmation from Apple. (By way of example, my Early 2010 MacBook ran uneventfully with 6GB for several years.)


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