What device might require extra power so that it uses the 12V 6-pin power connector? In what two locations might you find the connector?

Given:

6-pin Power connector

To find: The device which must require extra power, so that, it uses the 12V 6-pin power connector, and the locations where the connector must be found.

Solution:

The PCI slot on the motherboard is used to provide additional power for the video cards, as the video cards consume most of the power.

The PCI slot has 6 or 8 pins...