This 3 Port PCI Express FireWire adapter card can be installed in a PCI Express slot to add two IEEE1394b (FireWire 800 - 9 pin) ports and one IEEE1394a (FireWire 400 - 6 pin) port, providing broad compatibility with a wide range of FireWire devices (e.g. DV camcorders, external hard drives, digital cameras, etc.). Specifications. Bus Type: PCI Express. Card Type: Standard Profile (LP bracket incl.). Interface: FireWire 800 (1394b). Ports: 3. Maximum Data Transfer Rate: 800 Mbps. Connector Type(s): 1 - PCI Express x1 Male. External Ports: 1 - FireWire 400 (6 pin, IEEE 1394a) Female. Internal Ports: 1 - SP4 (4 pin, Small Drive Power) Male. System and Cable Requirements: PCI Express enabled computer with an PCI Express x1 slot or higher. Humidity: 0~90% RH. Operating Temperature: 0 degreeC to 70 degreeC (32 degreeF to 158 degreeC). Storage Temperature: -20 degreeC to 90 degreeC (-4 degreeF to 194 degreeC). Height: 4.7 in. (120 mm). Length: 3.5 in. (90 mm). Width: 0.7 in. (18 mm). Weight: 0.45 lbsFeatures. Two 9-pin FireWire 800 ports, each with transfer rates up to 800Mbps. One 6-pin FireWire 400 port, each with transfer rates up to 400Mbps. Built with a native PCI Express chipset, no bridge chip. Includes low profile/half-height installation bracket. Internal power connector for high powered FireWire devices. Compliant with IEEE 1394b and backwards compatible with IEEE 1394a - 2000 as well as 1394-1995 standards. Plug-and-Play and hot-swap compatible. 3 Port 2b1a PCI-E 1394 FireWire Adapter CardIncludes:. 1 - PCI Express FireWire Card