The Portable Edition is highly favored by field technicians and system administrators for several reasons:

Users can mix different drive types (e.g., SATA, SSD, USB, SCSI) within the same parallel copy operation.

The portable version can be launched from a bootable USB stick or CD, allowing for "bare-metal" cloning without an underlying OS.

Seamless support for SecureBoot systems and UEFI BIOS with GPT (GUID Partition Table).