8GB Kit (2x4GB) PC3-8500 DDR3 1067MHz 1066MHz RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini at Amazon .com
MemoryMasters 8GB DDR3 1066MHz PC3-8500 Registered ECC 1.5V CL7 4Rx8 Quad Rank 240 Pin RDIMM Server Memory Ram Module Upgrade (Server Only, Not for Desktop/Laptop) (8GB) at Amazon.com
Apple Memory Module 8GB 1066MHz DDR3 (PC3-8500) - 2x4GB SO-DIMMs at Amazon .com