Micron 2GB PC2-6400S-666-13-ZZ HP 441591-888 RAM Laptop Memory,MT16HTF25664HZ-800H1
HP 441591-888 2GB DDR2-800/PC2-6400 SODIMM 200-Pin CL6 Dual Rank x8 Non-ECC Unbuffered Memory Module

Micron 2GB PC2-6400S-666-13-ZZ HP 441591-888 RAM Laptop Memory,MT16HTF25664HZ-800H1
HP 441591-888 2GB DDR2-800/PC2-6400 SODIMM 200-Pin CL6 Dual Rank x8 Non-ECC Unbuffered Memory Module