Komputerbay MACMEMORY 6GB Kit (4GB + 2GB Modules) PC2-6300 800MHz DDR2 SODIMM for Apple iMac 24" 2008 2.8GHz, 3.06GHz Komputerbay MACMEMORY 6GB Kit (4GB + 2GB Modules) PC2-6300 800MHz DDR2 SODIMM for Apple iMac 24" 2008 2.8GHz, 3.06GHz This memory is designed for the following systems: iMac 24" 2008 2.8Ghz 3.06Ghz. iMac 20" 2008 2.4Ghz 2.66Ghz New 800MHz 200-Pin Laptop RAM Compatible with macs that support 6GB DDR2 200 Pin memory Lifetime Warranty