4GB 2 x 2GB DDR2 SO-DIMM DDR2 667 PC2-5300 2007 Apple MacBook 2, 1
Model ID: MacBook 2, 1 2.0GH z, 2.16GH z / 2007 Apple MacBook 3, 1
Model ID: MacBook 3, 1 2.0GH z, 2.2GH z / 2008 Apple MacBook 4, 1
Model ID: MacBook 4, 1 2.1GH z, 2.4GH z / 2008 Apple MacBook 4, 1
Model ID: MacBook 4, 1 2.1GH z / 2009 Apple MacBook 5, 2
Model ID: MacBook 5, 2 2.0GH z NEMIX RAM memory upgrades meet and exceed Apple and Intel specifications and are backed by Lifetime Warranty.