OWC 6GB (2GB + 4GB) PC5300 DDR2 667MHz SO-DIMMs Memory Compatible with MacBook, MacBook Pro, and iMac Core 2 Duo Processor (OWC5300DDR2S6GP)

Product Specs: Size: 2.0GB/ 4.0GB | 200-pin | Data Rate= 667MHz | CAS = 5.0 | Low Noise 8-Layer PCB  | Meets and/or exceeds Apple/Intel Specifications | Fully compliant with JEDEC specifications | RoHS Certified | Free Installation Videos & Manuals | Warranty Safe Upgrade. | OWC Memory Lifetime Limited Warranty including OWC Lifetime Advanced Replacement Program | OWC Memory fully meets Apple's specifications with special attention to proper thermal specifications.