2GB RAM PC2-5300 DDR2-667 240-Pin DIMM Standard Non-ECC: Front Source Tech
Transcend JM667QLU-2G 2GB JetRam DDR2 667 U-DIMM at Amazon.com
Axiom 8GB Low Power DDR2-667 ECC RDIMM Kit (2 x 4GB) for HP # 483403-B218GB (2 x 4GB)667MHz DDR2-667/PC2-5300ECCDDR2 SDRAM2... 483403-B21-AX - Corporate Armor