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+Metal Color: Black Connectors: 2* 6-Pin IEEE 1394 female(on metal bar); 1* 6-Pin IEEE 1394 female(on board) 1* 4-Pin IEEE 1394 female Quantity: 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 Cable 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.