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
A-Tech 2GB RAM Replacement for Crucial CT25664AA1067 | DDR2 1066MHz PC2-8500 UDIMM Non-ECC 240-Pin DIMM Memory Module at Amazon.com