The HP SC11 Xe Host Bus Adapter provides customers with the flexibility & speed they have come to expect from HP. This HBA is ideal for HP tape customers needing to attach Ultra 320 tape backup devices on servers using the PCI-Express interface, & provides support for Ultra 320 SCSI, Wide Ultra 3 SCSI, & Wide Ultra 2 SCSI protocols. It is the primary building block for SCSI backup solutions that provide the maximum of 320 MB/second bandwidth, twice the speed of previous-generation SCSI adapters.