Which of the following expansion cards would MOST likely require the use of an external
power connector to function properly?

A.
PCI Express video card

B.
PCI Express fiber card

C.
PCI Express sound card

D.
PCI Express network card

Explanation:

http://electronics.stackexchange.com/questions/49216/how-do-pci-express-graphics-cardspullpower-from-both-the-slot-and-the-external