Crucial 4GB (2 x 2GB) DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model CT2KIT25664AA1067 - Newegg.ca
Zopsc DDR2 4GB RAM 800MHz Memory Module for AMD CPU Stable Fast Data Transmission 240PIN for High Anti-Interference and Antistatic for Desktop Computer, Plug and Play at Amazon.com