333MGZ vs 400MGZ

[viperoneusa]

I just bought a ecs755A mobo with a and 643000 it supports 333 and lower is there a big differnce between 333 and 400 I'm not an overclocker, and what about upgrade to a amd 7300 later on will it work with 333mem please reply thanks viper.

 

[Corsairpro]

return your 755A and get a 755-A2

Anandtech article