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 Plugable 16-in-1 Thunderbolt 4 Quad Dock is the first of its kind from the company, which was revealed during CES alongside a USB-C dock and 240W cable.

The mini-USB (released in April 2000, in conjunction with USB 2.0) and follow-on micro-USB (January 2007) standards responded to this demand. In both cases, GND moved from pin 4 (on standard Type-A ...

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.

A leak suggests an upcoming Surface Dock might use a USB-C plug to connect to Microsoft’s laptop lineup rather than the company’s proprietary Surface connector and support Thunderbolt 4.