FEATURES- 2GB 667MHz DDR2 SDRAM for MacBook (2 x 1024MB)
       PC2-5300, 5-5-5-15, 200-pin SODIMM.
       The Mac Memory SODIMMs allow users to maximize memory bandwidth
        and minimize performance bottlenecks to deliver a superior user 
        experience. Built to Corsair's legendary quality and reliability 
        standards, each module is tested to ensure maximum compatibility. 
       Each Mac Memory module is individually tested and certified to be 
        compatible with Apple products.
       Compatible with the MacBook, the MacBook Pro, and Intel-based 
        versions of the iMac.

PC2-5300 2GB Kit 5-5-5-15 200pin SODIMM, 2GB upgrade Kit is compatible with the MacBook, the MacBook Pro, and Intel-based versions of the iMac