Credit card size 7-port USB2.0/Firewire Combo Hub (Model # : FUH-342) is a small size Combo Hub for the connections of high performance serial Firewire (IEEE1394) bus and USB bus. It is designed to provide three independent 1394 ports and four independent USB ports (Firewire Interface and USB Interface aren't compatible with each other). User can connect various USB and Firewire devices with FUH-342 for enjoying Hi-speed feeling. Its size is just like the credit card to save the cost and the space. FUH-342 is a good choice for PC user when Firewire Interface and USB Interface become more popular in PC and NoteBook day by day.