578230-B21, HP Smart Array P410/512MB with FBWCThe HP Smart Array P410 is HP's PCI Express (PCIe) 2.0 Serial Attached SCSI (SAS) RAID controller. The low profile, half height card has 8 ports and uses DDR2-800 memory. The P410 is ideal for RAID 0, 1, 1+0, 5, 5+0 and can be upgraded with a minimum 256MB cache module, battery kit (for BBWC), Flash Backed Write Cache (FBWC), and Smart Array Advanced Pack license key for RAID 6 (ADG), & 6+0.