
2 Port USB2 & 2 Port 1394A Firewire (1x 6 Pin & 1x 4 Pin) PCMCIA CB-005. USB 2.0 and IEEE 1394a (Firewire 400) Cardbus, allow Laptop (PC Only) users to have both USB 2.0 and IEEE 1394a connection types on one PC Card. Running at 480 Mbps the USB connection is slightly faster than the Firewire connection, but both have there different uses.