HP 2-GB (2x1GB) PC2-6400 (DDR2 800 MHz) DIMM
HP PC2-6400 2GB, 2 GB, 2 x 1 GB, DDR2, 800 MHz
HP PC2-6400 2GB. Component for: PC/Server, Internal memory: 2 GB, Memory layout (modules x size): 2 x 1 GB, Internal memory type: DDR2, Memory clock speed: 800 MHz