Late 2007 - MacBook3,1
Compatible upgrades for: MB061LL/B, MB062LL/B, MB063LL/B - Late 2007 Macbook's (Black/White).
Standard RAM: 1 GB
Maximum RAM: 6 GB*
Details: 1 GB of RAM is installed as two 512 MB modules, no slots free.
*Apple officially supports a maximum of 4 GB of RAM but third-parties have been able to upgrade the system to 6 GB of RAM using one 2 GB and one 4 GB memory module.
RAM Slots: 2