parts-quick 4GB 2 X 2GB DDR2 Memory for IBM IntelliStation M Pro (6218-xxx) PC2-4200 533MHz 240 pin SDRAM ECC DIMM RAM at Amazon.com
Amazon.com: High Performance Memory Module for RAM for Intel/AMD (2GB, DDR2,800MHz, 200PIN, PC-6400), Compatible with Your Digital Smart Computer/Computer : Electronics
2GB Memory for Dell OptiPlex 755 DT/MT/SFF/USFF DDR2-800 PC2-6400 Desktop DIMM RAM (PARTS-QUICK Brand) at Amazon.com
2GB 800MHZ DDR2 Sodimm (KVR800D2S6/2G ) at Amazon.com
2GB DDR2 1150MHZ Kit at Amazon.com
Elpida 4GB 4 x 1GB PC2-6400U DDR2 800 NonECC Unbuff Memory Kit EBE10UE8ACWA-8G-E at Amazon.com