New Apple Thunderbolt to FireWire adapter
Connect your Thunderbolt equipped Mac to a FireWire device. Supplies up to 7w for bus powered peripherals.
macOS 10.7.4 or later
Thunderbolt 1 or 2 equipped computer.
Can also be used with Thunderbolt 3 Macs, but also requires the additional Thunderbolt 3 to Thunderbolt 2 adapter.