The HP Smart Array P800 is HPs first 16 port PCI-Express (PCIe) serial attached SCSI (SAS) RAID controller. It is the highest performing controller in the SAS portfolio & provides new levels of reliability for HP servers, through its support of the latest SCSI technology & advanced RAID capabilities. Please note: server components such as memory & power supplies must match those already installed in a server. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.