parts-quick 6GB (4GB + 2GB) Memory for Apple MacBook Pro, iMac 2007 2008 Compatible PC2-5300 667MHz DDR2 SODIMM at Amazon.com
Purchase High-Speed 6gb Ddr2 Ram At Superb Offers - Alibaba.com
A-Tech for Apple 6GB Kit (1x2GB 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com