Check the official DiskInternals site or contact their support; they occasionally offer discounts for home users or students. RAID parameters
If you are dealing with a critical business server or highly sensitive personal data, keep these best practices in mind: diskinternals raid recovery 614 key hot
If one of your RAID disks is clicking, grinding, or dropping connection due to physical hardware failure, create a sector-by-sector disk image immediately. Run the recovery software against the healthy image file rather than the failing physical hardware. Check the official DiskInternals site or contact their