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: OWC 1GB PC5300 DDR2 667MHz SO-DIMM Memory Compatible with MacBook Pro, MacBook, iMac (Intel), and Mac Mini (Intel) Models (OWC5300DDR2S1GB) : Everything Else
Kingston 2 GB DDR2 SDRAM Memory Module 2 GB (1 x 2 GB) 667MHz DDR2 SDRAM 200pin KTT667D2/2G at Amazon.com
IBM 8GB DDR2 SDRAM Memory Module - 8GB (2 x 4GB) - 667MHz DDR2-667/PC2-5300 - ECC - DDR2 SDRAM - 240-Pin DIMM at Amazon.com
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