MacBook 2,1 (Mid 2007 White Core 2 Duo) Maximum ram?

I have a Mid-2007 White Core 2 Duo MacBook and i wanted to upgrade its ram but was unsure about the max amount as some pages say 3GB and some say 4GB.


i was planning on installing more ram along with an SSD with windows on it. (Windows 7 or 10)


If the maximum is 3GB, is that only a MacOS limitation? or can windows accept 4Gb??

Windows, Windows 10

Posted on Jun 14, 2020 9:14 AM

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Posted on Jun 14, 2020 10:14 AM

The maximum installed RAM is 4GBs. However, OS X can only use 3GBs of the RAM. Because this is a limitation of OS X, it may not apply to Windows.


11 replies

Jun 14, 2020 12:36 PM in response to Daper_401

I'm aware of CPU mod for old 2006/7 MPs that resulted in support for more RAM because of the change in the processors. I changed mine to extend the MP from dual to quad-core and double processing speed. It also allowed the use of higher speed RAM, but I don't recall if it supported more RAM. There were other MP models in which you could upgrade the CPUs because they were socketed.


Your model can support the installation of two 2GB memory chips for a total of 4GBs. I cannot say if the extra RAM appeared in Windows. I simply don't recall. I wouldn't want to mis-direct you.


Jun 14, 2020 12:52 PM in response to Daper_401

There is a .plist file in one of the system folders that contains that information. You can edit them but I don't know what changes would be safe to make. I've only modified such entries through EFI mods in my home-built computers modified to run OS X. What was done would have little bearing on your query.


This is a bit out of my area of expertise. You should extend your information by searching on Google. Apple prefers we not discuss making such extended changes to Mac models. I'm afraid we're getting pretty close to that territory.


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MacBook 2,1 (Mid 2007 White Core 2 Duo) Maximum ram?

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