OWC 4GB (2 x 2GB) PC5300 DDR2 667MHz SO-DIMMs Memory RAM Upgrade Compatible with MacBook, MacBook Pro, iMac, Mac Mini Core 2 Duo Models (OWC5300DDR2S4GP)

Product Specs: Size: 2.0GB | Pin Count: 200-pin | Data Rate: 667 MT/s | CAS = 5.0 | Low Noise 8-Layer PCB | Meets or Exceeds Apple /Intel Specifications | Fully compliant with JEDEC specifications | 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.