Are you looking to protect your data, expand the storage inside the server or secure the data? the HP smart array P440/2GB controller is a low-profile, PCIe3 x8, 12 GB/s Serial attached SCSI (SAS) RAID controller that provides enterprise-class storage performance, Increased internal scalability with SAS expander card, and data protection for HP ProLiant Gen9 10/100 series rack and tower servers. It features eight internal physical links and delivers Increased server uptime by providing advanced storage functionality, including online RAID level migration between any RAID levels with Flash back write cache (fbwc), global online spare, and pre-failure warning. The Gen9 family of controllers supports the HP smart storage battery. With HP smart storage battery, multiple smart array controllers are supported without needing additional backup power sources for each controller, resulting in simple upgrade process.