Will Dinkel wrote:

I'll second that. We've been using the 9550sx 4/8/12 port cards in a good number machines with positive results. If using RAID5 you need to be picky about what SATA drives you use. WD desktop drives are known to cause timeouts. Use the RAID edition drives instead.

Most definitely. We have the 'YR' version drives for our eval.

Dave