Dell XPS 410 memory upgrade

[kenqlvn]

Hello, I just bought new ram for my XPS 410 just wanted to make sure its gonna work on my system here's what i bought:
Kingston 4GB (2x 2GB) DDR2 1066 MHz PC2-8500 240Pin RAM

 

[Emerald]

not sure if the 1066MHz will work since Dell only lists 667MHZ CL5 or 800Mhz CL6 with 1.8V