SEDNA PCI 3 + 1 Port 1394A (Firewire) Adapter Card w/ Low Profile Metal Bracket Firewire 1394a Ports: External x 3 and Internal x 1 Low Profile Metal Bracket included Fully Plug & Play compatible 1394 OpenHCI Specification v1.0 and v1.1 compliant Data transfer rate: 100/200/400Mbps supported