Komputerbay 8 GB (2 x 4GB) PC2-6400 DDR2-800 SoDIMM Dual Channel Laptop Memory Kit at Amazon.com
DDR2 Memory,800MHZ 4G 240pin RAM Memory Designed for DDR2 PC2-6400 Desktop Computer,Compatible with for AMD Motherboards, Circuit Module Board at Amazon.com
4GB (2X 2GB) DDR2 PC2-6300 PC2-6400 800Mhz 240 Pin DIMM (Desktop Memory) 4 GB KIT (Price Include Tax) at Amazon.com
G.Skill PC2-6400 Main Memory D2 4 GB 800 MHz 240-Pin DDR2-RAM Kit at Amazon .com