OWC 4GB (4GB x 1) DDR2 PC2-5300 667MHz 200 Pin ram memory

Data Rate = 667MHz. Size: 4GB (4GB x 1). Compatible to: MacBook (Early 2009) (January, 2009) Model ID: MacBook5,2 | 2.0GHz. MacBook (Late 2008) (October, 2008) Model ID: MacBook4,1 | 2.1GHz. MacBook (Early 2008) (February, 2008) Model ID: MacBook4,1 | 2.1GHz, 2.4GHz.

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