The Thunderbolt 3 to 1394 Fire Wire adapter brings your high-powered Fire Wire peripheral devices to life through your Thunderbolt 3 computer. The Thunderbolt 3 to 1394 Fire Wire adapter connects your Fire Wire peripherals to your Thunderbolt 3 computer. This adapter combines Star Tech.com's Thunderbolt 3 PCIe Expansion Chassis (TB31PCIEX16) & 1394 Fire Wire adapter card (PEX1394B3). The chassis uses Thunderbolt 3 technology, the fastest connection available, supporting your Fire Wire devices, plus one Display Port output & one additional Thunderbolt 3 port. Use your legacy Fire Wire devices with your next-generation Thunderbolt 3 computer, without having to pay for upgraded peripherals. Thunderbolt 3 is the fastest connection available. By avoiding performance bottlenecks, you can accomplish more in the same amount of time. With 40 Gbps of throughput & support for other high-performance PCIe cards, you can swap the card in & out, to add the peripherals you need connected to a Thunderbolt 3 desktop or laptop computer. Both hot-swap & backward compatible, you can assemble & connect this adapter in minutes. Install the PCIe card using only a Phillips type screwdriver, then plug & play with automatic driver installation.