The HP Smart Array P410 is HP's PCI Express 2.0 (PCIe) Serial Attached SCSI (SAS) RAID controller. The low profile, half height card has 8 ports and utilizes DDR2-800 memory. The P410 is ideal for RAID 0/1, 1 0, 5 0 and can be upgraded with the 512MB battery-backed write cache (BBWC) module and Smart Array Advanced via license key for RAID 6 &, 6 0.