Main Features • Storage controller • Ultra320 SCSI • 320 MBps • PCI-X The HP U320 SCSI HBA provides support for up to 14 SCSI devices, while only taking up a single PCI-X slot. The HP U320 adapter delivers exceptional system performance, along with one Ultra320 SCSI channel that provides up to 64-bit/133-MHz bus-master capabilities, transferring data up to 320 MB/s between storage subsystem and system memory.