SONNET TECHNOLOGIES FWUSB2A Tango 6PORT Firewire/usb 2.0 Pci 400MBPS/480MBPS Mac Simple way to add USB 2.0 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 (a.k.a. i.LINK, 1394a), and USB 1.1/2.0 peripherals Supports hot-swappable device connection-plug in and disconnect peripherals without shutting off your computer