iMac 24-inch (Early 2009) Core 2 Duo 2.66GHz - HDD 640 GB - 4GB | Back Market
OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac Models at Amazon.com