Early/Late 2008 - MacBookPro4,1
Compatible upgrades for: MB133LL/A, MB134LL/A, MB166LL/A, Early/Late 2008 Macbook Pro's.
Standard RAM: 2 GB
Maximum RAM: 6 GB*
Details: 2 GB installed as two 1 GB 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