Sunix's 1706, an IEEE1394 cardbus, provides high performance serial connectivity for your laptop. The cardbus provides you with three FireWire ports for connecting IEEE1394 compliance devices likes DV camcorders, digital camera, external storage devices, and more. Supports 100, 200 and 400 Mbps data transfer rate. The FireWire is ideal for capture high quality streamlined video into your computer for editing and publishing