The laptop says it'll work with PC2700 or PC 2100, doesn't mention PC3200. 
And where is it cheaper?  The places I looked it was the same price, About 
$70 for a 512MB stick of either and about $30 for a 256mb stick of either. 
I'd just get the PC2700 since you know it would work no doubt.

"sdlomi2" <sdlomi2@spam.yahoo.com> wrote in message 
news:4n8jf.8145$DW6.7408@fe03.lga...
>    I wish to upgrade the ram in my Satellite, M30X-S214.  It has a Celeron
> M 1.3ghz.   Crucial site recommends PC2700, Cas 2.5, DDR333 ( 2 X 256, 512
> or 1024)--which is what is in it now.  Can I use PC3200, Cas 2.5, DDR400 
> as
> a substitute & enjoy the same  performance gain offered by the PC2700?  It
> is quite a few $ cheaper.
>    Thanks in advance.  s
>
>