VGA's pin 9 offered 5V at as much as 1A, sufficient power to run quite a few things. It was meant to run the EDID on the monitor, but rarely actually did.

The ATX 24 pin connector has the right voltages for SATA (5V plus 12V, but modern drives only need 5V). I have a proprietary PSU on an Acer EasyStore H340 NAS which only has 24 pin ATX, ...

An Apple spokesperson told The Verge that Lightning to HDMI and Lightning to VGA cables “will be available in ... Still, Apple says the 30-pin adapter does support analog audio out, as well as ...