HP 871041-001 - Smart Array AROC (Adaptive RAID on chip) P816i-a SR Gen10 - 16 Internal Lanes, 4GB flash-backed write cache (FBWC), 12Gb/s SAS, 6Gb/s SATA, RAID 0, 1, 5, 6, 10, 50, 60, 1 ADM, 10 advanced data mirroring (ADM) Retail