M.2 Boot and Adapter card in PCIe FH/LP Formfactor For mirrored operation system boot drive Supports 2x M.2 modules with 80mm length (not included) The controller supports Hardware RAID1 for 2x M.2 Modules, on a single PCIe slot card for all standard operating systems including Standard server manageability To support Windows 2022, Firmware Package 2.3.21.2009 or later is required .