4 External and 1 internal port
4 port USB 2.0 PCI Controller Card with NEC chip. Add four high speed, 480 Mbps USB 2.0 ports to your Mac! Requires OS 9.0.4 or later and a Power Mac. Product requirements are Windows, of course, but it was working in a G4. Will test on other models and update. No driver needed for Mac – plug and play! Backward compatible with USB 1.1 devices.