Full Details from Amazon.com : http://www.amazon.com/gp/product/B008LTBJLG?tag=onigi-20
Crucial 4GB kit (2GB x 2) DDR2 800MHz (PC2-6400) CL6 200-pin SODIMM memory upgrade for Mac
Increases system performance
Compatible with Mac systems
Every single module extensively tested at the component and module level for functionality
Meets or exceeds Apples own quality requirements
Easy installation
Available in DDR2 and DDR3 SODIMMs in capacities up to 8 GB
