HPE 749997-001 Adapter - H240ar smart host bus ada
H240ar smart host bus adapter (HBA) board -Adaptive RAID On Chip(AROC) daughterboard controller - Has two internal x4 mini-SAS ports - For up to 12Gb/sec transfer rate SAS and 6Gb/sec transfer rate SATA, 4GB FBWC (flash based write cache)