Memory Master 4 GB (2 x 2GB) DDR2 800 MHz PC2-6400 Desktop DIMM Memory Modules MMD4096KD2-800 at Amazon.com
High Speed Operation 800MHZ DDR2 Desktop RAM DDR2, Stable Performance Desktop Memory, Desktop RAM, For 1.8V - Walmart.com
Hynix 1GB DDR2-800MHz (PC2-6400) Laptop DIMM RAM
Bewinner 1PCS Memory RAM DDR2 4GB, 4GB Large Capacity DDR2 800Mhz Memory Module,Designed for AMD,Adopting 240Pin to Achieve High Anti-Interference and Antistatic Properties,Plug and Play at Amazon.com