Memory Master 4 GB (2 x 2GB) DDR2 800 MHz PC2-6400 Desktop DIMM Memory Modules MMD4096KD2-800 at Amazon.com
Samsung 2GB 2Rx8 PC2-6400S-666-12-E3 DDR2 RAM at Amazon.com
Bewinner Laptop DDR2 RAM,DDR2 800Mhz 2G 200Pin for Laptop High Running Speed Memory RAM,Compatible for Intel/AMD Motherboard,Fully Applicable to DDR2 PC2-6400 Laptop at Amazon.com