HPE Smart Array P542D SAS Controller

HPE Smart Array P542D Controller The HPE Smart Array P542D Controller is a PCI-Express (PCIe) 3.0 mezzanine, 12Gb/s Serial Attached SCSI (SAS) RAID controller that supports internal and direct attached storage. It provides enterprise-level reliability, connectivity, and performance for HPE Synergy compute and storage modules, and HPE ProLiant XL270d server through its support of the latest SCSI technology and advanced RAID capabilities. The controller supports 2GB flash-backed write cache (FBWC) to maximize data retention in case of a power failure. It features eight external physical links and eight internal physical links within four ports to deliver increased compute module uptime by providing advanced storage functionality, including online RAID level migration with FBWC, global online spare, and pre-failure alert.