This item is a 2-Port FireWire (IEEE-1394) PCI Card
Easily add the fast FireWire interface to your PC to maximize the performance of your WD external FireWire/USB drive. Just insert this card into an open PCI slot in your desktop computer to add two
FireWire ports to use with a variety of peripherals, including external hard drives and some video cameras.
FireWire, also called IEEE 1394, is a high-performance connection standard for personal computers and consumer electronics. This connection transfers large amounts of data between computers and peripheral devices at rates up to 400 Mb/s (50 MB/s).