8GB Kit (2x 4GB) DDR3 SODIMM RAM Memory 1066/1067MHz For Apple pc3-8500s 0x80ce | eBay
OWC 4GB PC8500 DDR3 1066MHz SO-DIMM Memory Compatible with Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, and 2009 iMac Models at Amazon.com