Adaptec Duoconnect 1422CS Cardbus Kit (adaptec Duoconnect for Notebooks 1422) Is Adaptec AUA-1422 USB 2.0/FireWire DuoConnect CardBus Adapter General Features: CardBus interface Two (2) USB 2.0 ports One (1) 6-pin IEEE 1394 FireWire port One (1) 4-pin IEEE 1394 FireWire port USB 2.0 data transfers up to 480 Mbps FireWire data transfers up to 400 Mbps Regulatory Approvals: C C-Tick FCC