Not the right place for Avogadro’s constant

Which of these would most likely be connected to a Molex connector?

A) External USB hard drive

B) Internal DVD-ROM player

C) High-end video adapter

D) LCD video display

E) An underground tunnel

The answer: B) Internal DVD-ROM player

A Molex connector is the generic four-pin power connector used inside of a PC case, and it usually connects to hard drives, DVD-ROMs, fans, and other devices that need electricity.

Want to know more? Watch “PC Power Connectors.”

If you look closely at your computer’s power supply, you’ll see a myriad of different cables used to power the internals of your PC. In this video, you’ll learn about all of these connectors and how they can be used to power the motherboard and peripherals inside of your computer.