Controller-level hardware encryption and SED support for encryption capable drives Support up to 256 SATA or SAS devices using SAS expanders Firmware automatically backup from NVMe RAID to SAS/SATA RAID Device interface PCIe Gen4 NVMe / 6Gb/s SATA per M.2 slot PCIe 4.0 host interface, PCIe Gen4 x8 lanes at maximum transfer rate up to 128Gb/s Supports up to 4/6 x PCIe Gen 4.0 M.2 slots and 1x SFF-8654[x8] / 2 x SATA connector CBM module or on-board battery(CR2032) to keep on M.2 fault LED status for troubleshooting Hardware-based RAID solution that supports RAID levels 0, 1, 10, 3, 5, 6, Single Disk and JBOD Implemented 8GB 72-bit DDR4-2666 SDRAM providing hardware RAID assist engine for parity calculations Dynamically allocate storage 12Gb/s SAS/SATA/PCIe (NVMe) to NVMe slot1 and SATA/SAS ports on ARC-1886-6N2I Support off module power loss protection (PLP) saves data issued without data loss at power fail using optional CBM module