Amazon.com: OWC 16GB (2 x 8GB) PC6400 DDR2 ECC 800MHz FB-DIMMs Memory Compatible with Mac Pro Quad Core / 8 Core (OWC64FB8MPK16GB) : Everything Else
High Performance Memory Module for RAM for Intel/AMD (2GB, DDR2,800MHz, 200PIN, PC-6400), Compatible with Your Digital Smart Computer/Computer at Amazon.com
2GB DDR2 PC6400 800 PC2-6400 Low Density Memory at Amazon.com
A-Tech 8GB (2 x 4GB) RAM for COMPAQ PRESARIO CQ56 -PC6400 | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Kit at Amazon.com
High Performance Memory Module for RAM for Intel/AMD (2GB, DDR2,800MHz, 200PIN, PC-6400), Compatible with Your Digital Smart Computer/Computer at Amazon.com