The HP Smart Array P212 is HP's entry level PCI Express (PCIe) Serial Attached SCSI (SAS) Raid controller. The low profile, half height card has 8 ports & utilizes DDR2-800 memory. The P212 is ideal for RAID 0, 1, 1+0, & can be upgraded with 256 MB cache module for RAID 5, 5+0. 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.