Acronis accepts hard disk drives of the following interface types:
The file system on the drive must be FAT32 or NTFS
(!) Please make sure you include all cables required to connect your drive to computer and power. Drives without cables and drives without standard power plugs (US or European) will not be processed. Make sure to ship a PSU if external power is required.
(!) SCSI, ATA, IDE and Ethernet drives are not accepted.
See also Acronis Backup to Cloud: Disk Defragmentation Is Not Recommended.