1- (x1) PCI- with transfer rate 2.5Gb/s full duplex channel3x External Ports (2 x 6 Pin + 1 x 4 Pin)Compliant with PCI- Revision 1.0a. Support 400/200/100Mbps data transfer rateCompliant with IEEE 1394 OpenHCI Specifications V1.0 and V1.1No drive required, plug and play. Support Windows 98se/me/2000/XP/server 2003/Vista/7 32 bit /64 bit /win8Support Provisions of IEEE P1394b Revision 1.33+.Compliant with PCI- Revision 1.0a.Compliant with IEEE 1394 OpenHCI Specifications V1.0 and V1.1.Compliant with IEEE 1394-1995 for a High Performance Serial Bus.Compliant with IEEE 1394a-2000 Standard.Fully Backward to 1394a Specification.No Driver required (plug-and-play).Product Specification:Ports: 2x 1394a (9-pin, Bi-lingual), 1x 1394a (6-pin),Compatibility: /7 (32/64 bit)Supports Data Transfer Rates of: 100Mbps/200Mbps/400Mbs/800Mbpssize:12.5 x 9.5cmMaterial:ABScolour:As shownPackage Contents:1 x Controller Card1 x Firewire CableOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.