Just for the record, I have mounted five Acceleros on varius vidcards over the years - an X1950 pro, two GTS 250, one 4850, one 9600GT - and I don't recall ever using the spacers. They are something I looked at with puzzlement last time before figuring out what they were. All vidcards except the 485...

Hi

Did any of you try mounting the S1 without the clear spacers?