Features 1、Full Duplex Channel: The PCI Ex1 transmission rate of PCI Ex1 to IEEE 1394A riser card adapter is 2.5Gb/s, and it is a full duplex channel. 2、Compatible Devices: PCI Ex1 to IEEE riser card for DV camcorders, hard drives, removable drives, scanners, digital cameras and other FireWire devices 3、3 Ports: The IEEE 1394 riser card has 3 external FireWire(1394a) ports, allowing more 1394a devices to be easily connected to your computer. 4、Transmission Rate: PCI Ex1 to IEEE 1394A riser card adapter supports 400/200/100Mbps data transmission rate. 5、Wide Compatibility: Firewire riser card is compatible with PCI Express version 1.0a, compatible with IEEE 1394 to 1995, 1394a 2000 standards, and compatible with IEEE 1394 OpenHCI Specification V1.0 and V1.1. Specification Item Type: PCI Ex1 to IEEE 1394A Riser Card Adapter Material: PCB Card Slot Type: PCI Ex1 Interface Type: 3 x External 1394A Ports (2 x 6 Pin + 1 x 4 Pin)+1 x Internal 1394A Port (1 x 6 Pin) System Support: for Windows 2000,for xp,for Server 2003,for Vista,for Windows 7,for Windows 8,for Windows 10 32/64 Bit Package List 1 x PCI Ex1 to IEEE 1394A Riser Card Adapter 1 x Connection Cable