- Two external and one internal IEEE 1394 (FireWire) ports support DV camcorders, hard disk drives, removable drivers, scanners, printers and other 1394 audio/video devices including TV, VCR, DVD with data transfer rates up to 400Mb/s - Supports both PC and Mac - Works with Sony, Panasonic, Cannon, Sharp, JVC and many other DV camcorders for digital video creating/editing. - Chip: TSB43AB23 (TI single chip) - Bus type: 32-bit PCI - Port type: Two external IEEE 1394 400Mbps ports (6-pin connector) One internal IEEE 1394 400Mbps port (6-pin connector) - Compliant with IEEE 1394-1995, 1394a-2000 and OHCI 1.1 standards - Compliant with PCI Plug-n-Play 2.2 - RoHS-compliant - Hot-swapping feature allows you to connect/disconnect devices without powering down the system - Supports serial bus data transfer rates of 100, 200 and 400Mb/sec - Adds 3 IEEE 1394 ports to your PC for high-speed I/O connection and supports up to 63 devices.