The HP Smart Array P721m Controller is a PCI-Express (PCIe) 3.0 mezzanine card supporting direct attached SAS Storage. It provides reliability, connectivity, and storage performance for HP ProLiant Gen8 server blades through its support of the latest SAS technology and advanced RAID capabilities. HP Smart Array Advanced Pack (SAAP) 2.0 features, such as dual domain, RAID 6, 60, Advanced Data Mirroring is included in the P721m.