Features: 1-Lane (x1) PCI-Express with transfer rate 2.5Gb/s full duplex channel. 4 external ports (3x6 pins + 1x4 pins). Compliant with PCI Express version 1.0a. Support 800mbps data transmission rate. Compliant with IEEE 1394 OpenHCI specifications v1.0 and v1.1.Support IEEE P1394B 1.33+ version.Comply high performance serial bus IEEE 1394-1995.Comply with the IEEE 1394a-2000 standard. Fully backward compatible with the 1394a specification. Specification: Suitable for all types of FireWire 800 (1394b) and 1394a devices, including portable hard drives, DV camcorders, digital cameras, CD-RW/DVD-ROM drives and other audio/video devices. VIA chip conforms to PCI Express basic specification 1.0a, conforms to IEEE 1394-1995, 1394a-2000 and OHCI 1.1 standards. Plug and play. It supports Windows 98se/me/2000/XP/Server 2003/Vista/7 32-bit/win8/win10/Mac OS. No driver is required, and the 1394 device is built into the Windows 98 second edition and higher (included) operating system, and there is no need to download a driver separately. Interface: 3x1394a (6pin), 1x1394a (4pin) Material: PC+Metal colour: Black Package Contents: 1 x fire wire card 1 x Cable