Kingston 2 GB DDR2 SDRAM Memory Module 2 GB (1 x 2 GB) 800MHz DDR2800/PC26400 DDR2 SDRAM 240pin DIMM KTH-XW4400C6/2G 2GB (1 x 2GB) 800MHz DDR2-800/PC2-6400 DDR2 SDRAM 240-pin DIMM