Originally posted by Ya_know
The difference between IDE and SCSI is not just the RPM’s or the MBPS (100/133 and 160 respectively), but in the seek time, and overall performance. SCSI even at U160 is still many times faster than IDE when you compare the overall performance gains …average seek on IDE is between 8 and 10 ms, where some of the 10k SCSI drives are at 4.7 ms…

But, that Serial ATA drive is pretty quick! 5.2ms is quite fast! I gotta’ say it’s lookin’ good! What about support up to RAID 5 for SATA? What are the costs…~~anyone?
I think it balances out cost wise in the end, comparing SATA + U160. You pay a little less, you get a little less performance.