PC2-5300, DDR2-667, 667Mhz, Latency 5-5-5, Non-ECC, Unbuffered, 1.8V, 200pin SO-DIMM.
This kit contains one (1) 4GB module, and one (1) 2GB module, and is specifically designed and SPD configured for the MacBook: Model Identifier 3.1 and newer.
This module is compatible with the latest Apple Firmware.
Watch our installation video:
or click here to download Apple's installation guide (PDF.)