The Power Mac G4 MDD: the last, and the fastest G4-based Mac. This computer boasted up to a Dual 1.42GHz PowerPC G4 CPU (though I have a single 1.25GHz).

Two USB 1.1 Ports

Assorted Audio

Video (ADC & DVI)

Networking (RJ-45 Ethernet/56k Modem)

Some later model MDD's (such as the dual 1.42GHz) Have a FireWire 800 Port Here: