The HPE Smart Array P840/4GB FBWC 12Gb 2-Port Internal SAS Controller is a high-performance RAID controller designed for HPE ProLiant Gen9 rack and tower servers. It provides enterprise-class storage performance, increased internal scalability, and data protection. With 16 internal physical links and a 4GB Flash-Backed Write Cache (FBWC), it supports various RAID levels and advanced features like online RAID level migration, global online spare, and pre-failure warning.
