CMS 4GB (2X2GB) DDR2 3200 400MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Dell® Poweredge 860 Ddr2 Ecc Non Reg for Server Only - B69 at Amazon.com
8GB 2 X 4GB DDR2 PC2-6400 800MHZ 240Pin AMD DIMM Hgih Density Desktop Memory at Amazon.com
Hynix DDR2 667MHz 4GB PC2-5300P ECC SERVER Registered Memory Module at Amazon.com
Zopsc DDR2 4GB RAM 800MHz Memory Module for AMD CPU Stable Fast Data Transmission 240PIN for High Anti-Interference and Antistatic for Desktop Computer, Plug and Play at Amazon.com