1GB Kit 2 X 512MB DDR2 Desktop Memory for Dell Precision Workstation 370 370n 380 390 390n PC2-4200 240 pin 533MHz DIMM RAM (Parts-Quick Brand) at Amazon.com
39M5870 Ibm 8Gb Ddr2 533Mhz Pc2-4200 240-Pin Cl4 Ecc Registered Dimm at Amazon.com
4GB KIT (2 x 2GB) for Dell PowerEdge Series 830 840 850 860. DIMM DDR2 ECC Unbuffered PC2-4200E 533MHz Single Rank Server Ram Memory. Genuine A-Tech Brand. at Amazon.com