Get on Amazon.com : http://www.amazon.com/gp/product/B0007WZMWM?tag=clothingattes-20

SONNET TECHNOLOGIES FWUSB2A Tango 6PORT Firewire/usb 2.0 Pci 400MBPS/480MBPS Mac

Simple way to add USB 20 ports 2 external 1 internal and FireWire 400 ports 2 external 1 internal to any compatible computer
Easy installation-plug and play
Supports all industry-standard FireWire 400 aka iLINK 1394a and USB 1120 peripherals
Supports hot-swappable device connection-plug in and disconnect peripherals without shutting off your computer