On page 4, there is an "IDE Power" connector. It looks a lot like a 4 pin CPU fan connector, but it (obviously) provides different voltages that are appropriate for 3.5" IDE drives (5V, 12V) and ...

The other 3 connectors, however, are smaller and have a different key. They have 4 pins, but they're too small for any of the fan connections and the keys are a different shape.

Each of the 16-pin power connectors can use up to 600W of power, so with 4 of them on-board you'd be looking at an insane 2400W of power delivery. We saw nothing like this on the market, outside ...

Like the Type A, the end that connects to the PC uses a USB 4-pin connector plug. The other end however, uses a smaller Type B plug to connect into a Type B jack located on the printer.