Features: Brand new and high quality 1-Lane (x1) PCI-Express with 2.5Gb/s full duplex channel transfer rate. 3x external 1394A ports (2 x 6 Pin + 1 x 4 Pin) and 1x internal 1394A port (1 x 6 Pin). Compatible with PCI-Express revision 1.0a. Compliant with IEEE 1394-1995, 1394a-2000 standard. Compliant with IEEE 1394 OpenHCI Specifications V1.0 and V1.1. Supports 400/200/100Mbps data transfer rate. Easily connect more 1394a devices to your computer. Note: Does not support hot-plugging. Please turn off the power before installation and then insert the power cable. 3 external FireWire(1394a) ports to support DV camcorders, hard drives, removable devices, scanners, digital cameras, and other FireWire devices. OS Support: for Windows 2000/XP/Server 2003/Vista /for Windows 7 /for Windows 8 / for Windows 10 32/64 bit. Note: The onboard 6-Pin IEEE 1394 female on the metal bar cannot work simultaneously with the 9-Pin IEEE 1394 female on the card. Specifications: Material: Plastic + Metal Color: Black Size: approx. 12x7.6x5.5cm/4.72x2.99x2.17in Note: Please allow 0-1cm error due to manual measurement. Make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!