Compliant with PCI-Express Revision 1.0a 1-Lane (x1) PCI-Express with transfer rate 2.5 GB/s full duplex channel. Compliant with IEEE 1394 OpenHCI Specifications V1.0 and 1.1 Compliant with IEEE 1394-1995 and 1394a-2000 standard. Support transfer rate of 400/200/100 Mbps. Fully interoperable with Firewire and i.Link implementation of IEEE 1394 Standard. Fully Plug & Play and Hot Plug compatible. Ideal for home and office use.Windows 2000, XP, XP 64 bit, server 2003 supported.