8G (2 x 4 G) Memory RAM DDR2 PC2-6400 800MHz Desktop non-ECC DIMM 240 Pin for AMD - Walmart.com
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