Komputerbay MACMEMORY Apple 4GB Kit (2x 2GB Modules) PC2-6300 800MHz DDR2 SODIMM iMac and Macbook Memory Komputerbay MACMEMORY Apple 4GB Kit (2x 2GB Modules) PC2-6300 800MHz DDR2 SODIMM iMac and Macbook Memory for: Imac Intel Core 2 Duo 20in/24in for: MacBook (DDR2) 13in Compatible with macs that support 4GB DDR2 200PIN memory Lifetime Warranty