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Originally Posted by sperry
I'm not sure how true all this is still, but just a few months ago, I believe that Seagate was one of the few manufacturers that were building true SATA drives... the rest were all ATA drives with a SATA bridge. The difference being, those bridged drives can't pipeline commands like a true SATA drive can (providing you have the proper SATA controller... most don't pipeline yet... at least none of the onboard SATA controllers for the MB's I was looking at 2 months ago).
The real performance benefits from SATA don't come through bandwidth, they come from the interface being allowed to re-organize commands for efficiency. While this won't make huge gains on your everyday machine, it will *rock* on file and web servers, and make SATA a true contender for usurping SCSI.
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I've spent little time researching SATA 'cause nothing I have uses them. My WD comment was based on the StoageReview.com performance numbers I looked at yesterday and a couple articles i scanned on them. The WD Raptor SATA drives are at the top of the performance charts in almost every test, beating out many of the High end SCSI drives.
And just for you Scott, they do a idle noise test... The Baracudas Did well except the 160Gb SCSI. Check out the Idle noise comparison... They also did temp tests which would impact how fast your fans have to run.
You mentioned your fans are throttled... Is that manual, or heat controlled?