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
4AllDeals 1GB RAM Memory Upgrade for The HP 530 Laptop Notebook (DDR2-667, PC2-5300, SODIMM) at Amazon.com
4GB (2X2GB) DDR2 667MHz PC2-5300 200-pin SODIMM Memory RAM for Laptop MAC/PC at Amazon.com
Kingston KVR667D2Q8F5/4G PC2-5300 4GB DDR2 RAM 667MHz FB-DIMM 240-Pin Server RAM ECC Memory at Amazon.com