Target disk mode over thunderbolt 2 and 3 is also supported by the relevant mac hardware. Target disk mode is also supported on mac laptops that are older than

Target disk mode over thunderbolt 2 and 3 is also supported by the relevant mac hardware. Target disk mode is also supported on mac laptops that are older than firewire; the original target disk mode is over scsi and is supported by the first powerbooks, the powerbook 1xx series.