The top cover is removed to show the inner workings of the power of a computer.

This element is used in common food sources online in IBM compatible desktop computers. There are many other types of equipment with different channels.

A Computer Power Supply (PSU) is the component, the power of the other components of a computer. Specifically, a diet commonly used for general purpose alternating current (AC turns) of electricity from the grid (100-127V in North America, parts of South America, Japan and Taiwan 220-240V, in most of the rest the world) to use low voltage DC for internal components. Some power supplies have a button to switch between 230 V and 115 V. Other models are equipped with automatic sensors that switch input voltage automatically, or be able to accept a tension between these limits.

The Computer Power Supplies are the most common computer built to comply with the ATX form factor. This enables different power supplies are interchangeable with different components inside the computer. ATX power supplies are designed to be well on and off using a signal from the motherboard and provide support for modern functions such as sleep mode is available in many computers. The final specification of the standard ATX PSU in mid-2008 is a version 2.31.