The Thunderbolt 3 to 1394 FireWire adapter connects your FireWire peripherals to your Thunderbolt 3 computer. This adapter combines StarTech.com's Thunderbolt 3 PCIe Expansion Chassis (TB31PCIEX16) and 1394 FireWire adapter card (PEX1394B3). The chassis uses Thunderbolt 3 technology, the fastest connection available, supporting your FireWire® devices, plus one DisplayPort output and one additional Thunderbolt 3 port.Save on upgrade costs Use your legacy FireWire devices with your next-generation Thunderbolt 3 computer, without having to pay for upgraded peripherals. Increase productivity with Thunderbolt 3 Thunderbolt 3 is the fastest connection available. By avoiding performance bottlenecks, you can accomplish more in the same amount of time. With 40Gbps of throughput and support for other high-performance PCIe cards, you can swap the card in and out, to add the peripherals you need connected to a Thunderbolt 3 desktop or laptop computer. Install with ease Both hot-swap and backward compatible, you can assemble and connect this adapter in minutes. Install the PCIe card using only a Phillips type screwdriver, then plug and play with automatic driver installation. The TB31PCIEX16 is backed by StarTech.com's 2-year warranty. The PEX1394B3 is backed by StarTech.com's lifetime warranty.