32GB Kit (4x8GB) Fully Buffered DDR2 Server Ram/Memory. PC2-5300 667MHz DDR2 DIMM ECC (Fully Buffered) 240 Pin 1.8V at Amazon.com
4GB Large Capacity DDR2 Memory Module for Desktop Computer, 240PIN 800MHz Fast Data Transmission RAM DDR2 4GB PC2-6400 Bandwidth, Plug and Play at Amazon.com
OFFTEK 4GB Replacement Memory RAM Upgrade for Dell Studio 1737 (8GB Max) ( DDR2-6400) Laptop Memory at Amazon.com
Samsung 2GB DDR2 800MHz 2GB DDR2 800MHz Memory at Amazon.com
Hynix HYMP125S64CP8-S6 2GB DDR2 SODIMM 200pin PC2-6400 800MHz at Amazon.com