ADS 1394b 2-Port PCI Express Card Works with various types of FireWire 800 (1394b) and 1394a devices including portable hard disk, DV camcorder, digital camera, CD-RW/DVD-ROM drive and other audio/video devices Supports hot-swapping and Plug-n-Play connection of peripheral devices Supports data transfer rates of 100, 200, 400 and 800Mbps Hot-swapping allows you to connect / detach devices without turning off your system For Firewire 800