1- (x1) PCI-, 2.5Gb/s full-duplex . 3x external 1394A ports (2 * 6 Pin + 1 * 4 Pin) and 1x internal 1394A port (1 * 6 Pin). Compliant with PCI- version 1.0a. Compliant with IEEE 1394-1995, 1394a-2000 standards. Compliant with IEEE 1394 OpenHCI specification V1.0 and V1.1. Support 400/200/100Mbps data transfer rate. Allows easy connection of more 1394a devices to your computer. Note: Hot plugging is not supported. Before installation, turn off the and plug in the cord. 3 external FireWire(1394a) ports supporting DV camcorders, hard drives, removable drives, scanners, digital cameras and other FireWire devices. Operating System Support: For Windows 2000/XP/Server 2003/Vista/Windows 7/Windows 8/Windows 10 32/64 bit Please note: The -in 6-pin IEEE 1394 female header on the metal bar cannot be used simultaneously with the on-board 6-pin IEEE 1394 female header. Size: 100x120x18mm/3.94x4.72x0.71in (approx.) Cable Length: 80 cm / 31.50 inches (approx.) Connector: 2* 6-Pin IEEE 1394 female (on metal strip); 1* 6-Pin IEEE 1394 female (onboard) 1* 4-pin IEEE 1394 female Colour:black Material:Metal + Plastic Package Contents: 1 x Fire Wire card 1 x 0.8m 6pin to 4pin 1394A cable Only the above package content, other products are not included. Note: Light 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.