Hynix 1GB (1x1GB) PC2-4200 DDR2-533 Server Ram Memory 240-pin 2Rx8 HYMP512U72BP8 at Amazon.com
A-Tech 1GB Replacement for HP 459932-001 - DDR2 800MHz PC2-6400 ECC Unbuffered UDIMM 2rx8 1.8v - Single Server Memory Ram Stick (459932-001-ATC) at Amazon.com