SMART ARRAY P800/512 BBWC 16CH SAS PCIE INT/EXT The HP Smart Array P800 is HP's first 16 port PCI-Express (PCIe) serial attached SCSI (SAS) RAID controller. It is the highest performing controller in the SAS portfolio and provides new levels of reliability for HP servers, through its support of the latest SCSI technology and advanced RAID capabilities.