Computer power supplies are one of the most important and overlooked components of a computer. They are responsible for supplying power to all of the other components in the system. This article will discuss the three voltages that are most important in a computer power supply: 5 volts, 12 volts, and 3.3 volts.

The 5 volt voltage is the most important voltage in a computer power supply. This voltage is used to power the motherboard, the CPU, and all of the other chips in the system. The 12 volt voltage is used to power the hard drive, the optical drive, …