Apple 661-4428 820-2110-A Intel iMac 24" 2.4GHz A1225 Logic Board. Apple Motherboard Raises The Bar Of PC Industry And Deliver A Full-value, High-performance Solution For Today's Most Demanding Tasks.Manufacturer: ApplePart Numbers: 661-4428 820-2110-A 31PI9MB0010 CE3CCompatible Models: iMac 24" 2.4GHz Core 2 Duo ( A1225 ) Mid 2007 MA878LLSpecifications:CPU Socket mPGA478MNSupports Intel 2.4GHz CPU3 x USB PortRJ-45 (LAN)FireWire Please note: this motherboard comes with Intel Core2 Duo 2.4GHz CPU and Heat sink