MemoryMasters 4GB (1x4GB) DDR2-800MHz PC2-6400 2Rx8 1.8V SODIMM Memory for Laptop, Notebook at Amazon.com
4GB (1x4GB) DDR2 800MHz PC2-6400 Single Stick 200-pin SODIMM Laptop Memory RAM 2Rx8 at Amazon.com
Crucial 4GB Single DDR2 800MHz (PC2-6400) CL6 SODIMM 200-Pin Notebook Memory Module CT51264AC800 at Amazon.com
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