Bus Type: ExpressCard/34 Speed: Up to 400Mbps Card connectors: 2 x 6 Pin FireWire Female Chipset: Texas Instruments XIO2200A Ideal for connecting FireWire peripherals, such as DV camcorders, scanners, drive housings, etc to your notebook Built-in power jack for optional adapter for use when connected devices require powered FireWire ports DC Connector: Round, 1.3 mm inner diameter, 3.5mm outer diameter, positive (+) on centre contact 12V DC 1Amp For use with computers which feature ExpressCard expansion slots Compatible with Windows 98SE/ME/2000/XP/Vista/Windows 7/Server 2003, 2008 and Mac OS 8.6 2 year warranty Optional Universal Power Adapter