CMS 4GB (2X2GB) DDR2 6400 800MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with Dell® Poweredge 840 Ddr2 Ecc Non Reg for Server Only - B65 at Amazon.com
parts-quick 16GB (2 X 8GB) Memory for Dell PowerEdge SC1430 DDR2 FB DIMM at Amazon.com