4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for The Apple iMac 7,1 (20-inch, 2.0GHz, MA876LL/A) Intel Core 2 Duo (Genuine A-Tech Brand) at Amazon.com
URAM DDR2 SDRAM 2GB 667MHz PC2 5300S PC2 5300 1.8V 200 pin Non-ECC SODIMM Samsung Chip Laptop Memory RAM for Notebooks with Intel and AMD Systems, and for iMac,MacBook,MacBook Pro and Mac
Crucial 2GB Single DDR2 667MHz (PC2-5300) CL5 SODIMM 200-Pin Notebook Memory Module CT25664AC667 at Amazon.com
39M5797 8GB Kit 2 X 4GB DDR2 Server Memory Upgrade for IBM BladeCenter, IntelliStation, System SDRAM ECC Fully Buffered FB DIMM PC2-5300 240 pin 667MHz RAM (PARTS-QUICK Brand) at Amazon.com
Amazon.com: Kingston 1GB 240-Pin DDR2 SDRAM ECC Registered DDR2 667 (PC2 5300) Server Memory Model KVR667D2S4P5/1G : Electronics