16GB (2 X 8GB) DDR3 1066MHz PC3-8500 240-pin Memory RAM DIMM for Desktop by NEMIX RAM at Amazon.com
4GB DDR3 8500 PC3-1066MHz, 2Rx8 1067MHz SODIMM RAM Memory for Laptop Notebook MacBook Late 2008, Early/Mid/Late 2009, Mid 2010, MacBook Pro, iMac, Mac Mini at Amazon.com
Amazon.com: 8GB 2 X 4GB DDR3 PC3-8500 1066MHz SODIMM Memory RAM for Apple iMac Intel Core 2 Duo 20" inch 24" inch (Early 2009) Equivalent to MC016G/A (PARTS-QUICK BRAND) : Electronics
Corsair CMSA4GX3M1A1066C7 Apple Certified 4GB (1x4GB) DDR3 1066 MHz (PC3 8500) Laptop Memory 1.5V at Amazon.com
Avant North America, 2GB DDR3 1066 SODIMM204-PIN (Catalog Category: Memory (RAM) / RAM- SODIMM DDR3)
TECMIYO 8GB Kit (2 X 4GB) 2RX8 PC3-8500 PC3-8500S DDR3 1066MHz SODIMM CL7 204 Pin 1.5v Non-ECC Unbuffered Notebook Memory Laptop RAM Modules Compatible with Intel AMD and Mac Computer at Amazon.com
Kingston Technology 4 GB Memory for Select Apple Imac's and Macbooks Single (Not a kit) 1066 MHz (PC3 8500) 204-Pin DDR3 SO-DIMM KTA- MB1066/4G at Amazon.com