726821-B21 - HPE Smart Array P440/4GB FBWC 12Gb 1-port Int SAS Controller
726897-B21 - HPE Smart Array P840/4GB FBWC 12Gb 2-ports Int SAS Controller

790543-001 - Mini-SAS 'Y' cable assembly - Connects between the 4 LFF hot-plug hard drive backplane board and the P-series controller board