Overview The HP Smart Array P822 Controller is a standard height, half length, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides enterprise class storage performance for select HP Pro Liant Gen 8 rack servers & tower servers. It features two internal & four external SAS ports. Advanced storage functionality, such as online RAID level migration, global online spare, & pre-failure warning all result in increased server uptime. Data Compatibility among all models of Smart Array controllers allows simple & easy migration at any time when needs for higher performance, capacity, & availability increase. Even new generations of Smart Array controllers can understand the data format of previous generations of Smart Array controllers. HP Smart Array Advanced Pack 2.0 features that come standard on the P822 provides advanced functionality such as Advanced Data Mirroring, Advanced Data Guarding, dual domain, making it easier for customers to protect their data. Features Increased performance, scalability & data protection, with reduced initial setup time • Up to 3x performance improvement over previous generation, using DDR3-1333 cache memory