Komputerbay MACMEMORY Apple 8GB (2x 4GB) PC2-6300 800MHz DDR2 SODIMM iMac and Macbook Memory Komputerbay MACMEMORY Apple 8GB (2x 4GB) PC2-6300 800MHz DDR2 SODIMM iMac and Macbook Memory Capacity: 8GB Speed: PC2-6300 800MHz Compatible with macs that support 8GB DDR2 200-Pin memory. Lifetime Warranty