HP 487204-B21 Smart Array P812/1GB Flash 8-ports Int/16-ports Ext PCIe x8 SAS Controller &lt;p&gt;The HP Smart Array P812 is HP&#039;s 24 port Serial Attached SCSI (SAS) RAID controller with PCI Express (PCIe). This high performance SAS RAID controller provides high levels of reliability for HP serv