There is no U320 SCSI bus. This is a SATA card. Each drive has it's own 150MBps port. The PCI-X speed of course limits it to 1.06GB per second. I doubt the drives will come close to that. Brad Dameron SeaTab Software www.seatab.com Quoting John Madden <jmadden@xxxxxxxxxxx>: > > will this 24 port card itself will be a bottleneck? > > Yes. The U320 SCSI bus on which it resides will be if nothing else. > > John > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html