HPE MR408i-p Gen11 SAS Controller - Serial ATA/600, 12Gb/s SAS, NVMe - PCI Express 4.0 x8 - 4 GB Flash Backed Cache - Half-height - Plug-in Card - RAID Supported - 0, 1, 5, 6, 10, 50, 60 RAID Level - 1x8 SlimSAS - 1 Total SAS Port(s) - Linux, PC - Windows Server, Red Hat Enterprise Linux, Ubuntu Linux Supported Operating System