CMS 2GB (1X2GB) DDR2 6400 800MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Compaq Presario Sr5601P, Sr5710F, Compaq Blackbird 002 Desktop - A91 at Amazon.com
Hynix HYMP125S64CP8-S6 2GB DDR2 SODIMM 200pin PC2-6400 800MHz at Amazon.com
Komputerbay 8GB (2 X 4GB) DDR2 DIMM (240 pin) 800MHZ PC2-6400 PC2-6300 Desktop RAM with Red Heatspreaderss for Extra Cooling CL 5-5-5-12 at Amazon .com