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
Bulk RAM Deal! 16GB (16x1GB) PC2-6400 DDR2-800MHz Memory for Desktop Computers at Amazon.com
4GB (2X 2GB) DDR2 PC2-6300 PC2-6400 800Mhz 240 Pin DIMM (Desktop Memory) 4 GB KIT (Price Include Tax) at Amazon.com
6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM (MemoryMasters) at Amazon.com