Komputerbay 4GB (2 X 2GB) DDR2 SODIMM (200 pin) 800Mhz PC2 6400 / PC2 6300 for Gateway 4 GB KIT
DDR2 2G Large Capacity Computer Memory , Portable 2G 800MHZ 200Pin Durable Fully Compatible Memory, RAM 200Pin PC2-6400 800MHZ High Frequency Memory Bank for Laptop Notebook at Amazon.com
4GB Kit(2 X 2GB) DDR2 800MHz 2RX8 PC2-6400U 240pin CL6 DIMM Memory 1.5v Desktop RAM Module at Amazon.com