PCI bus and SCSI cards.

daswandaswan Member Posts: 1 ■□□□□□□□□□
This is something that has confused me for a while...

As I understand it, the PCI bus running a 64bit card has a throughput of 256mbps. If that is true, how does a 64bit Ultra320 SCSI card have a data transfer rate of 320 MBps?

Thanks in advance for your help!
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