1- (x1) PCI-Express with transfer rate 2.5Gb/s full duplex channel.3x external 1394A ports (2 * 6 Pin + 1 * 4 Pin) and 1x internal 1394A port (1 * 6 Pin).Compliant 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.Support 400/200/100Mbps data transfer rate.Allows to connect more 1394a devices to your computer easily.Attention: Don't Support hot-plugging. Before installation, Turn off the power and then plug in the power cord.3 external FireWire(1394a) ports to support DV camcorders, hard disk, removable drives, scanner, digital cameras and other FireWire devices.Material:PC+MetalColor: BlackConnectors: 2* 6-Pin IEEE 1394 female(on metal bar); 1* 6-Pin IEEE 1394 female(on board)1* 4-Pin IEEE 1394 femaleQuantity: 1 Set (other accessories demo in the picture is not included)Package Contents:1 x PCI-Express IEEE 1394A Firewire Card (No retail package)(Due to different product batches, the appearance is slightly different, which does not affect use.)1 x 6Pin To 4Pin IEEE 1394 CableOnly 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.