1- (x1) PCI-Express with transfer rate 2.5Gb/s full duplex channel 3x External Ports (2 x 6 Pin + 1 x 4 Pin) Compliant with PCI-Express Revision 1.0a. Support 400/200/100Mbps data transfer rate Compliant with IEEE 1394 OpenHCI Specifications V1.0 and V1.1 No drive required, plug and play. Support 98se/me/2000/XP/server 2003/Vista/7 32 bit /64 bit /win8<br><br>Support Provisions of IEEE P1394b Revision 1.33+. Compliant with PCI-Express 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 Compatible to 1394a Specification. No Driver required (plug-and-play). Product Specification: Ports: 2x 1394a (9-pin, Bi-lingual), 1x 1394a (6-pin), Compatibility: XP/Vista/7 (32/64 bit) Supports Data Transfer Rates of: 100Mbps/200Mbps/400Mbs/800Mbps size:12.5 x 9.5cm Material:ABS colour:As shown<br><br>Package Contents: 1 x Controller Card 1 x Firewire Cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.